15626240066 has 16 divisors (see below), whose sum is σ = 24470878464. Its totient is φ = 7469625504.

The previous prime is 15626240023. The next prime is 15626240083. The reversal of 15626240066 is 66004262651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6455 + ... + 176901.

It is an arithmetic number, because the mean of its divisors is an integer number (1529429904).

Almost surely, 2^15626240066 is an apocalyptic number.

15626240066 is a deficient number, since it is larger than the sum of its proper divisors (8844638398).

15626240066 is a wasteful number, since it uses less digits than its factorization.

15626240066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172465.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 15626240066 in words is "fifteen billion, six hundred twenty-six million, two hundred forty thousand, sixty-six".