72065667102102 has 24 divisors (see below), whose sum is σ = 156735975608784. Its totient is φ = 23930551051344.

The previous prime is 72065667102089. The next prime is 72065667102131. The reversal of 72065667102102 is 20120176656027.

72065667102102 is a `hidden beast` number, since 7 + 2 + 0 + 6 + 566 + 71 + 0 + 2 + 10 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7611493693 + ... + 7611503160.

It is an arithmetic number, because the mean of its divisors is an integer number (6530665650366).

Almost surely, 2^{72065667102102} is an apocalyptic number.

72065667102102 is an abundant number, since it is smaller than the sum of its proper divisors (84670308506682).

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

72065667102102 is a wasteful number, since it uses less digits than its factorization.

72065667102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222997124 (or 15222997121 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 72065667102102 in words is "seventy-two trillion, sixty-five billion, six hundred sixty-seven million, one hundred two thousand, one hundred two".