6605631626642 has 16 divisors (see below), whose sum is σ = 10228263876864. Its totient is φ = 3196214274000.

The previous prime is 6605631626609. The next prime is 6605631626663. The reversal of 6605631626642 is 2466261365066.

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, 2493917 + ... + 4408047.

It is an arithmetic number, because the mean of its divisors is an integer number (639266492304).

Almost surely, 2^{6605631626642} is an apocalyptic number.

6605631626642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6605631626642 is a deficient number, since it is larger than the sum of its proper divisors (3622632250222).

6605631626642 is a wasteful number, since it uses less digits than its factorization.

6605631626642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969825.

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 6605631626642 in words is "six trillion, six hundred five billion, six hundred thirty-one million, six hundred twenty-six thousand, six hundred forty-two".