655011437136 has 80 divisors (see below), whose sum is σ = 1933938553344. Its totient is φ = 187136906112.

The previous prime is 655011437131. The next prime is 655011437159. The reversal of 655011437136 is 631734110556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655011437131) 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, 9759951 + ... + 9826833.

Almost surely, 2^655011437136 is an apocalyptic number.

It is an amenable number.

655011437136 is an abundant number, since it is smaller than the sum of its proper divisors (1278927116208).

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

655011437136 is a wasteful number, since it uses less digits than its factorization.

655011437136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96048 (or 96042 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 655011437136 in words is "six hundred fifty-five billion, eleven million, four hundred thirty-seven thousand, one hundred thirty-six".