163759461397 has 16 divisors (see below), whose sum is σ = 189505193472. Its totient is φ = 138603337200.

The previous prime is 163759461367. The next prime is 163759461407. The reversal of 163759461397 is 793164957361.

It is a cyclic number.

It is not a de Polignac number, because 163759461397 - 2²⁷ = 163625243669 is a prime.

It is a super-2 number, since 2×163759461397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163759461337) 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, 1083522 + ... + 1225372.

It is an arithmetic number, because the mean of its divisors is an integer number (11844074592).

Almost surely, 2^163759461397 is an apocalyptic number.

It is an amenable number.

163759461397 is a deficient number, since it is larger than the sum of its proper divisors (25745732075).

163759461397 is a wasteful number, since it uses less digits than its factorization.

163759461397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143928.

The product of its digits is 25719120, while the sum is 61.

The spelling of 163759461397 in words is "one hundred sixty-three billion, seven hundred fifty-nine million, four hundred sixty-one thousand, three hundred ninety-seven".