19670700672 has 96 divisors (see below), whose sum is σ = 64690872480. Its totient is φ = 5620197888.

The previous prime is 19670700653. The next prime is 19670700677. The reversal of 19670700672 is 27600707691.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (19670700677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1211598 + ... + 1227725.

It is an arithmetic number, because the mean of its divisors is an integer number (673863255).

Almost surely, 2^19670700672 is an apocalyptic number.

19670700672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19670700672 is an abundant number, since it is smaller than the sum of its proper divisors (45020171808).

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

19670700672 is a wasteful number, since it uses less digits than its factorization.

19670700672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439350 (or 2439335 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 19670700672 in words is "nineteen billion, six hundred seventy million, seven hundred thousand, six hundred seventy-two".