161624304054700 has 72 divisors (see below), whose sum is σ = 351370347077232. Its totient is φ = 64530726247680.

The previous prime is 161624304054691. The next prime is 161624304054709. The reversal of 161624304054700 is 7450403426161.

It is an interprime number because it is at equal distance from previous prime (161624304054691) and next prime (161624304054709).

It is a super-2 number, since 2×161624304054700² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161624304054709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1559381079 + ... + 1559484721.

It is an arithmetic number, because the mean of its divisors is an integer number (4880143709406).

Almost surely, 2^{161624304054700} is an apocalyptic number.

161624304054700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161624304054700 is an abundant number, since it is smaller than the sum of its proper divisors (189746043022532).

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

161624304054700 is a wasteful number, since it uses less digits than its factorization.

161624304054700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132211 (or 132204 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 161624304054700 in words is "one hundred sixty-one trillion, six hundred twenty-four billion, three hundred four million, fifty-four thousand, seven hundred".