253661205414 has 16 divisors (see below), whose sum is σ = 514467797760. Its totient is φ = 83362837320.

The previous prime is 253661205407. The next prime is 253661205433. The reversal of 253661205414 is 414502166352.

It is a super-2 number, since 2×253661205414² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297723994 + ... + 297724845.

It is an arithmetic number, because the mean of its divisors is an integer number (32154237360).

Almost surely, 2^253661205414 is an apocalyptic number.

253661205414 is an abundant number, since it is smaller than the sum of its proper divisors (260806592346).

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

253661205414 is a wasteful number, since it uses less digits than its factorization.

253661205414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595448915.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 253661205414 in words is "two hundred fifty-three billion, six hundred sixty-one million, two hundred five thousand, four hundred fourteen".