161154336 has 72 divisors (see below), whose sum is σ = 492110640. Its totient is φ = 46042752.

The previous prime is 161154317. The next prime is 161154349. The reversal of 161154336 is 633451161.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12426 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (6834870).

Almost surely, 2^161154336 is an apocalyptic number.

161154336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161154336 is an abundant number, since it is smaller than the sum of its proper divisors (330956304).

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

161154336 is a wasteful number, since it uses less digits than its factorization.

161154336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34286 (or 34271 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 161154336 is about 12694.6577740402. The cubic root of 161154336 is about 544.1859586285.

The spelling of 161154336 in words is "one hundred sixty-one million, one hundred fifty-four thousand, three hundred thirty-six".