6601156160 has 28 divisors (see below), whose sum is σ = 15719003868. Its totient is φ = 2640462336.

The previous prime is 6601156153. The next prime is 6601156171. The reversal of 6601156160 is 616511066.

It can be written as a sum of positive squares in 2 ways, for example, as 1075315264 + 5525840896 = 32792^2 + 74336^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 10313987 + ... + 10314626.

Almost surely, 2^6601156160 is an apocalyptic number.

It is an amenable number.

6601156160 is an abundant number, since it is smaller than the sum of its proper divisors (9117847708).

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

6601156160 is a wasteful number, since it uses less digits than its factorization.

6601156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628630 (or 20628620 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 6601156160 is about 81247.4994076741. The cubic root of 6601156160 is about 1875.8869792174.

The spelling of 6601156160 in words is "six billion, six hundred one million, one hundred fifty-six thousand, one hundred sixty".