163323611691357 has 128 divisors (see below), whose sum is σ = 255904375767040. Its totient is φ = 91754726296320.

The previous prime is 163323611691307. The next prime is 163323611691397. The reversal of 163323611691357 is 753196116323361.

It is not a de Polignac number, because 163323611691357 - 2¹⁴ = 163323611674973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 163323611691297 and 163323611691306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163323611691307) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7496368218 + ... + 7496390004.

It is an arithmetic number, because the mean of its divisors is an integer number (1999252935680).

Almost surely, 2^{163323611691357} is an apocalyptic number.

It is an amenable number.

163323611691357 is a deficient number, since it is larger than the sum of its proper divisors (92580764075683).

163323611691357 is a wasteful number, since it uses less digits than its factorization.

163323611691357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223.

The product of its digits is 11022480, while the sum is 57.

The spelling of 163323611691357 in words is "one hundred sixty-three trillion, three hundred twenty-three billion, six hundred eleven million, six hundred ninety-one thousand, three hundred fifty-seven".