7861106662 has 16 divisors (see below), whose sum is σ = 12101733072. Its totient is φ = 3827738880.

The previous prime is 7861106657. The next prime is 7861106713. The reversal of 7861106662 is 2666011687.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106639 + ... + 164602.

It is an arithmetic number, because the mean of its divisors is an integer number (756358317).

Almost surely, 2^7861106662 is an apocalyptic number.

7861106662 is a deficient number, since it is larger than the sum of its proper divisors (4240626410).

7861106662 is a wasteful number, since it uses less digits than its factorization.

7861106662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271623.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 7861106662 is about 88662.8820984294. The cubic root of 7861106662 is about 1988.3579176211.

The spelling of 7861106662 in words is "seven billion, eight hundred sixty-one million, one hundred six thousand, six hundred sixty-two".