7671660406 has 16 divisors (see below), whose sum is σ = 11911037040. Its totient is φ = 3701464480.

The previous prime is 7671660389. The next prime is 7671660407. The reversal of 7671660406 is 6040661767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7671660407) 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, 68520 + ... + 141556.

It is an arithmetic number, because the mean of its divisors is an integer number (744439815).

Almost surely, 2^7671660406 is an apocalyptic number.

7671660406 is a deficient number, since it is larger than the sum of its proper divisors (4239376634).

7671660406 is a wasteful number, since it uses less digits than its factorization.

7671660406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74879.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 7671660406 is about 87588.0151961443. The cubic root of 7671660406 is about 1972.2552616710.

The spelling of 7671660406 in words is "seven billion, six hundred seventy-one million, six hundred sixty thousand, four hundred six".