801616250577144 has 16 divisors (see below), whose sum is σ = 2004040626442920. Its totient is φ = 267205416859040.

The previous prime is 801616250577139. The next prime is 801616250577157. The reversal of 801616250577144 is 441775052616108.

It is a super-2 number, since 2×801616250577144² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16700338553667 + ... + 16700338553714.

Almost surely, 2^{801616250577144} is an apocalyptic number.

It is an amenable number.

801616250577144 is an abundant number, since it is smaller than the sum of its proper divisors (1202424375865776).

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

801616250577144 is a wasteful number, since it uses less digits than its factorization.

801616250577144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400677107390 (or 33400677107386 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 801616250577144 in words is "eight hundred one trillion, six hundred sixteen billion, two hundred fifty million, five hundred seventy-seven thousand, one hundred forty-four".