16642665010 has 16 divisors (see below), whose sum is σ = 29958325056. Its totient is φ = 6656726448.

The previous prime is 16642665007. The next prime is 16642665031. The reversal of 16642665010 is 1056624661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280189 + ... + 334351.

It is an arithmetic number, because the mean of its divisors is an integer number (1872395316).

Almost surely, 2^16642665010 is an apocalyptic number.

16642665010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16642665010 is a deficient number, since it is larger than the sum of its proper divisors (13315660046).

16642665010 is a wasteful number, since it uses less digits than its factorization.

16642665010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84897.

The product of its (nonzero) digits is 51840, while the sum is 37.

It can be divided in two parts, 16 and 642665010, that added together give a triangular number (642665026 = T₃₅₈₅₁).

The spelling of 16642665010 in words is "sixteen billion, six hundred forty-two million, six hundred sixty-five thousand, ten".