16516661602 has 16 divisors (see below), whose sum is σ = 28371955392. Its totient is φ = 7064149680.

The previous prime is 16516661599. The next prime is 16516661621. The reversal of 16516661602 is 20616661561.

It is a super-2 number, since 2×16516661602² (a number of 21 digits) contains 22 as substring.

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, 1194513 + ... + 1208260.

It is an arithmetic number, because the mean of its divisors is an integer number (1773247212).

Almost surely, 2^16516661602 is an apocalyptic number.

16516661602 is a deficient number, since it is larger than the sum of its proper divisors (11855293790).

16516661602 is a wasteful number, since it uses less digits than its factorization.

16516661602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403273.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 16516661602 in words is "sixteen billion, five hundred sixteen million, six hundred sixty-one thousand, six hundred two".