172495049456 has 20 divisors (see below), whose sum is σ = 339687998904. Its totient is φ = 84833630400.

The previous prime is 172495049429. The next prime is 172495049567. The reversal of 172495049456 is 654940594271.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88367390 + ... + 88369341.

Almost surely, 2^172495049456 is an apocalyptic number.

172495049456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172495049456 is a deficient number, since it is larger than the sum of its proper divisors (167192949448).

172495049456 is a wasteful number, since it uses less digits than its factorization.

172495049456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176736800 (or 176736794 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 172495049456 in words is "one hundred seventy-two billion, four hundred ninety-five million, forty-nine thousand, four hundred fifty-six".