76106461221 has 80 divisors (see below), whose sum is σ = 131649982464. Its totient is φ = 42916801536.

The previous prime is 76106461217. The next prime is 76106461241. The reversal of 76106461221 is 12216460167.

76106461221 is a `hidden beast` number, since 7 + 6 + 1 + 0 + 646 + 1 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 76106461221 - 2² = 76106461217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76106461241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21062811 + ... + 21066423.

Almost surely, 2^76106461221 is an apocalyptic number.

It is an amenable number.

76106461221 is a deficient number, since it is larger than the sum of its proper divisors (55543521243).

76106461221 is a wasteful number, since it uses less digits than its factorization.

76106461221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 76106461221 in words is "seventy-six billion, one hundred six million, four hundred sixty-one thousand, two hundred twenty-one".