6136401666 has 16 divisors (see below), whose sum is σ = 12279801600. Its totient is φ = 2044300848.

The previous prime is 6136401631. The next prime is 6136401701. The reversal of 6136401666 is 6661046316.

It is an interprime number because it is at equal distance from previous prime (6136401631) and next prime (6136401701).

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, 280161 + ... + 301268.

It is an arithmetic number, because the mean of its divisors is an integer number (767487600).

Almost surely, 2^6136401666 is an apocalyptic number.

6136401666 is an abundant number, since it is smaller than the sum of its proper divisors (6143399934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6136401666 is a wasteful number, since it uses less digits than its factorization.

6136401666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583193.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 6136401666 is about 78335.1879170530. The cubic root of 6136401666 is about 1830.7874487441.

The spelling of 6136401666 in words is "six billion, one hundred thirty-six million, four hundred one thousand, six hundred sixty-six".