6201155864 has 16 divisors (see below), whose sum is σ = 11910757320. Its totient is φ = 3024953920.

The previous prime is 6201155839. The next prime is 6201155903. The reversal of 6201155864 is 4685511026.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9452654 + ... + 9453309.

Almost surely, 2^6201155864 is an apocalyptic number.

It is an amenable number.

6201155864 is a deficient number, since it is larger than the sum of its proper divisors (5709601456).

6201155864 is a wasteful number, since it uses less digits than its factorization.

6201155864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18906010 (or 18906006 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 6201155864 is about 78747.4181418032. The cubic root of 6201155864 is about 1837.2047056534.

The spelling of 6201155864 in words is "six billion, two hundred one million, one hundred fifty-five thousand, eight hundred sixty-four".