161154792 has 128 divisors (see below), whose sum is σ = 462672000. Its totient is φ = 51955200.

The previous prime is 161154787. The next prime is 161154797. The reversal of 161154792 is 297451161.

161154792 is a `hidden beast` number, since 16 + 11 + 547 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (161154787) and next prime (161154797).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (161154797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1595542 + ... + 1595642.

It is an arithmetic number, because the mean of its divisors is an integer number (3614625).

Almost surely, 2^161154792 is an apocalyptic number.

161154792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161154792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231336000).

161154792 is an abundant number, since it is smaller than the sum of its proper divisors (301517208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161154792 is a wasteful number, since it uses less digits than its factorization.

161154792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 161154792 is about 12694.6757343384. The cubic root of 161154792 is about 544.1864719016.

The spelling of 161154792 in words is "one hundred sixty-one million, one hundred fifty-four thousand, seven hundred ninety-two".