161002524 has 24 divisors (see below), whose sum is σ = 375879168. Its totient is φ = 53638000.

The previous prime is 161002469. The next prime is 161002547. The reversal of 161002524 is 425200161.

It is a self number, because there is not a number n which added to its sum of digits gives 161002524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36949 + ... + 41075.

It is an arithmetic number, because the mean of its divisors is an integer number (15661632).

Almost surely, 2^161002524 is an apocalyptic number.

It is an amenable number.

161002524 is an abundant number, since it is smaller than the sum of its proper divisors (214876644).

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

161002524 is a wasteful number, since it uses less digits than its factorization.

161002524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385 (or 7383 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 161002524 is about 12688.6769995930. The cubic root of 161002524 is about 544.0150253563.

Adding to 161002524 its reverse (425200161), we get a palindrome (586202685).

The spelling of 161002524 in words is "one hundred sixty-one million, two thousand, five hundred twenty-four".