163525496139 has 8 divisors (see below), whose sum is σ = 242259994320. Its totient is φ = 109016997408.

The previous prime is 163525496137. The next prime is 163525496201. The reversal of 163525496139 is 931694525361.

163525496139 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 2 + 549 + 61 + 39 = 666.

It is not a de Polignac number, because 163525496139 - 2¹ = 163525496137 is a prime.

It is a super-2 number, since 2×163525496139² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163525496137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028249902 + ... + 3028249955.

It is an arithmetic number, because the mean of its divisors is an integer number (30282499290).

Almost surely, 2^163525496139 is an apocalyptic number.

163525496139 is a deficient number, since it is larger than the sum of its proper divisors (78734498181).

163525496139 is an equidigital number, since it uses as much as digits as its factorization.

163525496139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056499866 (or 6056499860 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 163525496139 in words is "one hundred sixty-three billion, five hundred twenty-five million, four hundred ninety-six thousand, one hundred thirty-nine".