253697164344 has 64 divisors (see below), whose sum is σ = 758923149600. Its totient is φ = 78060665088.

The previous prime is 253697164267. The next prime is 253697164361. The reversal of 253697164344 is 443461796352.

253697164344 is a `hidden beast` number, since 2 + 53 + 6 + 97 + 164 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45171189 + ... + 45176804.

Almost surely, 2^253697164344 is an apocalyptic number.

253697164344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253697164344 is an abundant number, since it is smaller than the sum of its proper divisors (505225985256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253697164344 is a wasteful number, since it uses less digits than its factorization.

253697164344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90348021 (or 90348011 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 253697164344 in words is "two hundred fifty-three billion, six hundred ninety-seven million, one hundred sixty-four thousand, three hundred forty-four".