6561016151700 has 36 divisors (see below), whose sum is σ = 18983206733120. Its totient is φ = 1749604307040.

The previous prime is 6561016151689. The next prime is 6561016151731. The reversal of 6561016151700 is 71516101656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10935026620 + ... + 10935027219.

Almost surely, 2^{6561016151700} is an apocalyptic number.

6561016151700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6561016151700 is an abundant number, since it is smaller than the sum of its proper divisors (12422190581420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6561016151700 is a wasteful number, since it uses less digits than its factorization.

6561016151700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870053856 (or 21870053849 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 6561016151700 in words is "six trillion, five hundred sixty-one billion, sixteen million, one hundred fifty-one thousand, seven hundred".