7607660666 has 8 divisors (see below), whose sum is σ = 11412244704. Its totient is φ = 3803579100.

The previous prime is 7607660657. The next prime is 7607660677. The reversal of 7607660666 is 6660667067.

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

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, 85160 + ... + 149891.

It is an arithmetic number, because the mean of its divisors is an integer number (1426530588).

Almost surely, 2^7607660666 is an apocalyptic number.

7607660666 is a deficient number, since it is larger than the sum of its proper divisors (3804584038).

7607660666 is a wasteful number, since it uses less digits than its factorization.

7607660666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251236.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 7607660666 is about 87221.9047372849. The cubic root of 7607660666 is about 1966.7555195644.

The spelling of 7607660666 in words is "seven billion, six hundred seven million, six hundred sixty thousand, six hundred sixty-six".