161692484 has 12 divisors (see below), whose sum is σ = 295264704. Its totient is φ = 77331144.

The previous prime is 161692483. The next prime is 161692511. The reversal of 161692484 is 484296161.

It is a super-2 number, since 2×161692484² = 52288918764180512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (161692481) 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 3 ways as a sum of consecutive naturals, for example, 878672 + ... + 878855.

It is an arithmetic number, because the mean of its divisors is an integer number (24605392).

Almost surely, 2^161692484 is an apocalyptic number.

It is an amenable number.

161692484 is a deficient number, since it is larger than the sum of its proper divisors (133572220).

161692484 is a wasteful number, since it uses less digits than its factorization.

161692484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757554 (or 1757552 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 161692484 is about 12715.8359536446. The cubic root of 161692484 is about 544.7910250066.

The spelling of 161692484 in words is "one hundred sixty-one million, six hundred ninety-two thousand, four hundred eighty-four".