6616156001 has 8 divisors (see below), whose sum is σ = 8142961344. Its totient is φ = 5234760720.

The previous prime is 6616155977. The next prime is 6616156031. The reversal of 6616156001 is 1006516166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6616156001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6616156031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36352415 + ... + 36352596.

It is an arithmetic number, because the mean of its divisors is an integer number (1017870168).

Almost surely, 2^6616156001 is an apocalyptic number.

It is an amenable number.

6616156001 is a deficient number, since it is larger than the sum of its proper divisors (1526805343).

6616156001 is a wasteful number, since it uses less digits than its factorization.

6616156001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72705031.

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

The square root of 6616156001 is about 81339.7565831125. The cubic root of 6616156001 is about 1877.3067668977.

The spelling of 6616156001 in words is "six billion, six hundred sixteen million, one hundred fifty-six thousand, one".