67604237161632 has 240 divisors, whose sum is σ = 201032259940512. Its totient is φ = 22284991848960.

The previous prime is 67604237161621. The next prime is 67604237161661. The reversal of 67604237161632 is 23616173240676.

67604237161632 is a `hidden beast` number, since 6 + 7 + 60 + 423 + 71 + 61 + 6 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 158149978 + ... + 158576870.

Almost surely, 2^{67604237161632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67604237161632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100516129970256).

67604237161632 is an abundant number, since it is smaller than the sum of its proper divisors (133428022778880).

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

67604237161632 is a wasteful number, since it uses less digits than its factorization.

67604237161632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427593 (or 427576 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 67604237161632 in words is "sixty-seven trillion, six hundred four billion, two hundred thirty-seven million, one hundred sixty-one thousand, six hundred thirty-two".