6616156674 has 8 divisors (see below), whose sum is σ = 13232313360. Its totient is φ = 2205385556.

The previous prime is 6616156661. The next prime is 6616156699. The reversal of 6616156674 is 4766516166.

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

6616156674 is an admirable number.

It is a Curzon 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, 551346384 + ... + 551346395.

It is an arithmetic number, because the mean of its divisors is an integer number (1654039170).

Almost surely, 2^6616156674 is an apocalyptic number.

6616156674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6616156674 is a wasteful number, since it uses less digits than its factorization.

6616156674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102692784.

The product of its digits is 1088640, while the sum is 48.

The square root of 6616156674 is about 81339.7607200808. The cubic root of 6616156674 is about 1877.3068305514.

The spelling of 6616156674 in words is "six billion, six hundred sixteen million, one hundred fifty-six thousand, six hundred seventy-four".