21072160715062 has 4 divisors (see below), whose sum is σ = 31608241072596. Its totient is φ = 10536080357530.

The previous prime is 21072160715033. The next prime is 21072160715069. The reversal of 21072160715062 is 26051706127012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21072160715069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5268040178764 + ... + 5268040178767.

It is an arithmetic number, because the mean of its divisors is an integer number (7902060268149).

Almost surely, 2^{21072160715062} is an apocalyptic number.

21072160715062 is a deficient number, since it is larger than the sum of its proper divisors (10536080357534).

21072160715062 is a wasteful number, since it uses less digits than its factorization.

21072160715062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536080357533.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 21072160715062 in words is "twenty-one trillion, seventy-two billion, one hundred sixty million, seven hundred fifteen thousand, sixty-two".