655249552746 has 16 divisors (see below), whose sum is σ = 1387587288384. Its totient is φ = 205568487104.

The previous prime is 655249552733. The next prime is 655249552759. The reversal of 655249552746 is 647255942556.

It is an interprime number because it is at equal distance from previous prime (655249552733) and next prime (655249552759).

It is a super-2 number, since 2×655249552746² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655249552746.

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, 3212007510 + ... + 3212007713.

It is an arithmetic number, because the mean of its divisors is an integer number (86724205524).

Almost surely, 2^655249552746 is an apocalyptic number.

655249552746 is an abundant number, since it is smaller than the sum of its proper divisors (732337735638).

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

655249552746 is a wasteful number, since it uses less digits than its factorization.

655249552746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424015245.

The product of its digits is 90720000, while the sum is 60.

The spelling of 655249552746 in words is "six hundred fifty-five billion, two hundred forty-nine million, five hundred fifty-two thousand, seven hundred forty-six".