656255452142 has 16 divisors (see below), whose sum is σ = 985351964832. Its totient is φ = 327804921120.

The previous prime is 656255452037. The next prime is 656255452169. The reversal of 656255452142 is 241254552656.

It is a super-2 number, since 2×656255452142² (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, 11621408 + ... + 11677740.

It is an arithmetic number, because the mean of its divisors is an integer number (61584497802).

Almost surely, 2^656255452142 is an apocalyptic number.

656255452142 is a deficient number, since it is larger than the sum of its proper divisors (329096512690).

656255452142 is a wasteful number, since it uses less digits than its factorization.

656255452142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61963.

The product of its digits is 2880000, while the sum is 47.

The spelling of 656255452142 in words is "six hundred fifty-six billion, two hundred fifty-five million, four hundred fifty-two thousand, one hundred forty-two".