73081069164 has 144 divisors (see below), whose sum is σ = 195748833280. Its totient is φ = 22952885760.

The previous prime is 73081069069. The next prime is 73081069181. The reversal of 73081069164 is 46196018037.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16169697 + ... + 16174215.

Almost surely, 2^73081069164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73081069164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97874416640).

73081069164 is an abundant number, since it is smaller than the sum of its proper divisors (122667764116).

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

73081069164 is a wasteful number, since it uses less digits than its factorization.

73081069164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 73081069164 in words is "seventy-three billion, eighty-one million, sixty-nine thousand, one hundred sixty-four".