16432993066 has 32 divisors (see below), whose sum is σ = 28536588288. Its totient is φ = 6951720240.

The previous prime is 16432993043. The next prime is 16432993079. The reversal of 16432993066 is 66039923461.

It is a super-2 number, since 2×16432993066² (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 15 ways as a sum of consecutive naturals, for example, 430141 + ... + 466783.

It is an arithmetic number, because the mean of its divisors is an integer number (891768384).

Almost surely, 2^16432993066 is an apocalyptic number.

16432993066 is a deficient number, since it is larger than the sum of its proper divisors (12103595222).

16432993066 is a wasteful number, since it uses less digits than its factorization.

16432993066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 16432993066 in words is "sixteen billion, four hundred thirty-two million, nine hundred ninety-three thousand, sixty-six".