656638114050 has 48 divisors (see below), whose sum is σ = 1809402806880. Its totient is φ = 175103496720.

The previous prime is 656638114031. The next prime is 656638114061. The reversal of 656638114050 is 50411836656.

656638114050 is a `hidden beast` number, since 6 + 5 + 6 + 638 + 1 + 1 + 4 + 0 + 5 + 0 = 666.

It is a super-2 number, since 2×656638114050² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 656638113987 and 656638114005.

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, 243197952 + ... + 243200651.

It is an arithmetic number, because the mean of its divisors is an integer number (37695891810).

Almost surely, 2^656638114050 is an apocalyptic number.

656638114050 is an abundant number, since it is smaller than the sum of its proper divisors (1152764692830).

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

656638114050 is a wasteful number, since it uses less digits than its factorization.

656638114050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486398624 (or 486398613 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 656638114050 in words is "six hundred fifty-six billion, six hundred thirty-eight million, one hundred fourteen thousand, fifty".