1613165912064 has 896 divisors, whose sum is σ = 5829307315200. Its totient is φ = 436001439744.

The previous prime is 1613165912063. The next prime is 1613165912087. The reversal of 1613165912064 is 4602195613161.

1613165912064 is a `hidden beast` number, since 1 + 6 + 1 + 31 + 6 + 591 + 20 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613165912063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2382814894 + ... + 2382815570.

Almost surely, 2^{1613165912064} is an apocalyptic number.

1613165912064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613165912064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914653657600).

1613165912064 is an abundant number, since it is smaller than the sum of its proper divisors (4216141403136).

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

1613165912064 is an frugal number, since it uses more digits than its factorization.

1613165912064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1613165912064 in words is "one trillion, six hundred thirteen billion, one hundred sixty-five million, nine hundred twelve thousand, sixty-four".