655006663641 has 16 divisors (see below), whose sum is σ = 952784779968. Its totient is φ = 396953812800.

The previous prime is 655006663627. The next prime is 655006663643. The reversal of 655006663641 is 146366600556.

It is not a de Polignac number, because 655006663641 - 2⁵ = 655006663609 is a prime.

It is a super-2 number, since 2×655006663641² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (655006663643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183355 + ... + 1159151.

It is an arithmetic number, because the mean of its divisors is an integer number (59549048748).

Almost surely, 2^655006663641 is an apocalyptic number.

It is an amenable number.

655006663641 is a deficient number, since it is larger than the sum of its proper divisors (297778116327).

655006663641 is a wasteful number, since it uses less digits than its factorization.

655006663641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996152.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 655006663641 in words is "six hundred fifty-five billion, six million, six hundred sixty-three thousand, six hundred forty-one".