16556313662 has 16 divisors (see below), whose sum is σ = 28674854880. Its totient is φ = 7022412288.

The previous prime is 16556313647. The next prime is 16556313667. The reversal of 16556313662 is 26631365561.

It is a super-2 number, since 2×16556313662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556313667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094487 + ... + 6097202.

It is an arithmetic number, because the mean of its divisors is an integer number (1792178430).

Almost surely, 2^16556313662 is an apocalyptic number.

16556313662 is a deficient number, since it is larger than the sum of its proper divisors (12118541218).

16556313662 is a wasteful number, since it uses less digits than its factorization.

16556313662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191795.

The product of its digits is 583200, while the sum is 44.

The spelling of 16556313662 in words is "sixteen billion, five hundred fifty-six million, three hundred thirteen thousand, six hundred sixty-two".