163325896010531 has 16 divisors (see below), whose sum is σ = 169387737516000. Its totient is φ = 157293184543488.

The previous prime is 163325896010383. The next prime is 163325896010597. The reversal of 163325896010531 is 135010698523361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163325896010531 - 2⁴² = 158927849499427 is a prime.

It is a super-2 number, since 2×163325896010531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163325896010131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15313820 + ... + 23688918.

It is an arithmetic number, because the mean of its divisors is an integer number (10586733594750).

Almost surely, 2^{163325896010531} is an apocalyptic number.

163325896010531 is a deficient number, since it is larger than the sum of its proper divisors (6061841505469).

163325896010531 is a wasteful number, since it uses less digits than its factorization.

163325896010531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376838.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 163325896010531 in words is "one hundred sixty-three trillion, three hundred twenty-five billion, eight hundred ninety-six million, ten thousand, five hundred thirty-one".