72266602652001 has 16 divisors (see below), whose sum is σ = 107062059061120. Its totient is φ = 48177543625200.

The previous prime is 72266602651967. The next prime is 72266602652009. The reversal of 72266602652001 is 10025620666227.

It is not a de Polignac number, because 72266602652001 - 2¹⁷ = 72266602520929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72266602652009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772451 + ... + 12152151.

It is an arithmetic number, because the mean of its divisors is an integer number (6691378691320).

Almost surely, 2^{72266602652001} is an apocalyptic number.

It is an amenable number.

72266602652001 is a deficient number, since it is larger than the sum of its proper divisors (34795456409119).

72266602652001 is a wasteful number, since it uses less digits than its factorization.

72266602652001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637573 (or 10637567 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 72266602652001 in words is "seventy-two trillion, two hundred sixty-six billion, six hundred two million, six hundred fifty-two thousand, one".