72044102163534 has 32 divisors (see below), whose sum is σ = 147916366410240. Its totient is φ = 23381968538112.

The previous prime is 72044102163533. The next prime is 72044102163559. The reversal of 72044102163534 is 43536120144027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72044102163533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661799304 + ... + 661908155.

It is an arithmetic number, because the mean of its divisors is an integer number (4622386450320).

Almost surely, 2^{72044102163534} is an apocalyptic number.

72044102163534 is an abundant number, since it is smaller than the sum of its proper divisors (75872264246706).

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

72044102163534 is a wasteful number, since it uses less digits than its factorization.

72044102163534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323707704.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 72044102163534 in words is "seventy-two trillion, forty-four billion, one hundred two million, one hundred sixty-three thousand, five hundred thirty-four".