1613077331072 has 64 divisors (see below), whose sum is σ = 3295486788000. Its totient is φ = 786056914944.

The previous prime is 1613077331057. The next prime is 1613077331137. The reversal of 1613077331072 is 2701337703161.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194679 + ... + 2835977.

Almost surely, 2^{1613077331072} 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 1613077331072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647743394000).

1613077331072 is an abundant number, since it is smaller than the sum of its proper divisors (1682409456928).

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

1613077331072 is an equidigital number, since it uses as much as digits as its factorization.

1613077331072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641813 (or 641801 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 41.

The spelling of 1613077331072 in words is "one trillion, six hundred thirteen billion, seventy-seven million, three hundred thirty-one thousand, seventy-two".