163012153503231 has 6 divisors (see below), whose sum is σ = 235461999504680. Its totient is φ = 108674769002148.

The previous prime is 163012153503217. The next prime is 163012153503257. The reversal of 163012153503231 is 132305351210361.

163012153503231 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 121 + 5 + 3 + 503 + 23 + 1 = 666.

163012153503231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163012153503231 - 2⁶ = 163012153503167 is a prime.

It is a super-2 number, since 2×163012153503231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163012153503431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9056230750171 + ... + 9056230750188.

Almost surely, 2^{163012153503231} is an apocalyptic number.

163012153503231 is a deficient number, since it is larger than the sum of its proper divisors (72449846001449).

163012153503231 is a wasteful number, since it uses less digits than its factorization.

163012153503231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18112461500365 (or 18112461500362 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 163012153503231 in words is "one hundred sixty-three trillion, twelve billion, one hundred fifty-three million, five hundred three thousand, two hundred thirty-one".