656054299458 has 48 divisors (see below), whose sum is σ = 1468347379200. Its totient is φ = 211479966720.

The previous prime is 656054299441. The next prime is 656054299487. The reversal of 656054299458 is 854992450656.

It is a happy number.

656054299458 is a `hidden beast` number, since 6 + 56 + 0 + 5 + 42 + 99 + 458 = 666.

656054299458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 656054299395 and 656054299404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369003 + ... + 1203441.

It is an arithmetic number, because the mean of its divisors is an integer number (30590570400).

Almost surely, 2^656054299458 is an apocalyptic number.

656054299458 is an abundant number, since it is smaller than the sum of its proper divisors (812293079742).

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

656054299458 is a wasteful number, since it uses less digits than its factorization.

656054299458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835887 (or 835884 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 63.

The spelling of 656054299458 in words is "six hundred fifty-six billion, fifty-four million, two hundred ninety-nine thousand, four hundred fifty-eight".