2163151433444 has 12 divisors (see below), whose sum is σ = 3787591551744. Its totient is φ = 1080982418664.

The previous prime is 2163151433411. The next prime is 2163151433461. The reversal of 2163151433444 is 4443341513612.

It is a super-2 number, since 2×2163151433444² (a number of 25 digits) contains 22 as substring.

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, 148316312 + ... + 148330895.

It is an arithmetic number, because the mean of its divisors is an integer number (315632629312).

Almost surely, 2^{2163151433444} is an apocalyptic number.

It is an amenable number.

2163151433444 is a deficient number, since it is larger than the sum of its proper divisors (1624440118300).

2163151433444 is a wasteful number, since it uses less digits than its factorization.

2163151433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296649034 (or 296649032 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The spelling of 2163151433444 in words is "two trillion, one hundred sixty-three billion, one hundred fifty-one million, four hundred thirty-three thousand, four hundred forty-four".