163373457077374 has 4 divisors (see below), whose sum is σ = 245060185616064. Its totient is φ = 81686728538686.

The previous prime is 163373457077359. The next prime is 163373457077377. The reversal of 163373457077374 is 473770754373361.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163373457077377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40843364269342 + ... + 40843364269345.

It is an arithmetic number, because the mean of its divisors is an integer number (61265046404016).

Almost surely, 2^{163373457077374} is an apocalyptic number.

163373457077374 is a deficient number, since it is larger than the sum of its proper divisors (81686728538690).

163373457077374 is an equidigital number, since it uses as much as digits as its factorization.

163373457077374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81686728538689.

The product of its (nonzero) digits is 653456160, while the sum is 67.

The spelling of 163373457077374 in words is "one hundred sixty-three trillion, three hundred seventy-three billion, four hundred fifty-seven million, seventy-seven thousand, three hundred seventy-four".