161482504 has 16 divisors (see below), whose sum is σ = 310963500. Its totient is φ = 78558912.

The previous prime is 161482499. The next prime is 161482511. The reversal of 161482504 is 405284161.

It can be written as a sum of positive squares in 2 ways, for example, as 159516900 + 1965604 = 12630^2 + 1402^2 .

It is a super-2 number, since 2×161482504² = 52153198196220032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272479 + ... + 273070.

Almost surely, 2^161482504 is an apocalyptic number.

It is an amenable number.

161482504 is a deficient number, since it is larger than the sum of its proper divisors (149480996).

161482504 is a wasteful number, since it uses less digits than its factorization.

161482504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545592 (or 545588 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 161482504 is about 12707.5766375812. The cubic root of 161482504 is about 544.5550940763. Note that the first 3 decimals are identical.

The spelling of 161482504 in words is "one hundred sixty-one million, four hundred eighty-two thousand, five hundred four".