76616661667 has 64 divisors (see below), whose sum is σ = 102180960000. Its totient is φ = 55731732480.

The previous prime is 76616661661. The next prime is 76616661707.

76616661667 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 76616661667 - 2³ = 76616661659 is a prime.

It is a super-2 number, since 2×76616661667² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76616661661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14057959 + ... + 14063407.

It is an arithmetic number, because the mean of its divisors is an integer number (1596577500).

Almost surely, 2^76616661667 is an apocalyptic number.

76616661667 is a deficient number, since it is larger than the sum of its proper divisors (25564298333).

76616661667 is a wasteful number, since it uses less digits than its factorization.

76616661667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696.

The product of its digits is 13716864, while the sum is 58.

The spelling of 76616661667 in words is "seventy-six billion, six hundred sixteen million, six hundred sixty-one thousand, six hundred sixty-seven".