161149350 has 24 divisors (see below), whose sum is σ = 399650760. Its totient is φ = 42973120.

The previous prime is 161149321. The next prime is 161149357. The reversal of 161149350 is 53941161.

It is a super-2 number, since 2×161149350² = 51938226010845000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161149357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537015 + ... + 537314.

It is an arithmetic number, because the mean of its divisors is an integer number (16652115).

Almost surely, 2^161149350 is an apocalyptic number.

161149350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161149350 is an abundant number, since it is smaller than the sum of its proper divisors (238501410).

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

161149350 is a wasteful number, since it uses less digits than its factorization.

161149350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074344 (or 1074339 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 161149350 is about 12694.4613907011. The cubic root of 161149350 is about 544.1803463290.

The spelling of 161149350 in words is "one hundred sixty-one million, one hundred forty-nine thousand, three hundred fifty".