104161562544 has 160 divisors (see below), whose sum is σ = 291500342784. Its totient is φ = 31860449280.

The previous prime is 104161562537. The next prime is 104161562611. The reversal of 104161562544 is 445265161401.

It is a super-2 number, since 2×104161562544² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107271979 + ... + 107272949.

Almost surely, 2^104161562544 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 104161562544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145750171392).

104161562544 is an abundant number, since it is smaller than the sum of its proper divisors (187338780240).

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

104161562544 is a wasteful number, since it uses less digits than its factorization.

104161562544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 104161562544 in words is "one hundred four billion, one hundred sixty-one million, five hundred sixty-two thousand, five hundred forty-four".