3618401658 has 24 divisors (see below), whose sum is σ = 7337360448. Its totient is φ = 1189600992.

The previous prime is 3618401627. The next prime is 3618401663. The reversal of 3618401658 is 8561048163.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24610 + ... + 88557.

It is an arithmetic number, because the mean of its divisors is an integer number (305723352).

Almost surely, 2^3618401658 is an apocalyptic number.

3618401658 is an abundant number, since it is smaller than the sum of its proper divisors (3718958790).

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

3618401658 is a wasteful number, since it uses less digits than its factorization.

3618401658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113318 (or 113245 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3618401658 is about 60153.1516880038. The cubic root of 3618401658 is about 1535.2257917102.

The spelling of 3618401658 in words is "three billion, six hundred eighteen million, four hundred one thousand, six hundred fifty-eight".