161462756 has 96 divisors (see below), whose sum is σ = 368793600. Its totient is φ = 60134400.

The previous prime is 161462723. The next prime is 161462761. The reversal of 161462756 is 657264161.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462470 + ... + 462818.

It is an arithmetic number, because the mean of its divisors is an integer number (3841600).

Almost surely, 2^161462756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161462756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184396800).

161462756 is an abundant number, since it is smaller than the sum of its proper divisors (207330844).

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

161462756 is a wasteful number, since it uses less digits than its factorization.

161462756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 443 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 161462756 is about 12706.7995970661. The cubic root of 161462756 is about 544.5328949482.

The spelling of 161462756 in words is "one hundred sixty-one million, four hundred sixty-two thousand, seven hundred fifty-six".