45601601616 has 60 divisors (see below), whose sum is σ = 132347869472. Its totient is φ = 15200532576.

The previous prime is 45601601611. The next prime is 45601601641. The reversal of 45601601616 is 61610610654.

It is a happy number.

45601601616 is a `hidden beast` number, since 45 + 6 + 0 + 1 + 601 + 6 + 1 + 6 = 666.

It is a super-2 number, since 2×45601601616² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45601601611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5860516 + ... + 5868291.

Almost surely, 2^45601601616 is an apocalyptic number.

It is an amenable number.

45601601616 is an abundant number, since it is smaller than the sum of its proper divisors (86746267856).

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

45601601616 is a wasteful number, since it uses less digits than its factorization.

45601601616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728830 (or 11728812 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 45601601616 in words is "forty-five billion, six hundred one million, six hundred one thousand, six hundred sixteen".