16720477070 has 16 divisors (see below), whose sum is σ = 32832937008. Its totient is φ = 6080173440.

The previous prime is 16720477051. The next prime is 16720477097. The reversal of 16720477070 is 7077402761.

It is a congruent number.

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, 76002059 + ... + 76002278.

It is an arithmetic number, because the mean of its divisors is an integer number (2052058563).

Almost surely, 2^16720477070 is an apocalyptic number.

16720477070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16720477070 is a deficient number, since it is larger than the sum of its proper divisors (16112459938).

16720477070 is a wasteful number, since it uses less digits than its factorization.

16720477070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152004355.

The product of its (nonzero) digits is 115248, while the sum is 41.

The spelling of 16720477070 in words is "sixteen billion, seven hundred twenty million, four hundred seventy-seven thousand, seventy".