2154170364 has 48 divisors (see below), whose sum is σ = 5143896576. Its totient is φ = 701334400.

The previous prime is 2154170323. The next prime is 2154170383. The reversal of 2154170364 is 4630714512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290179 + ... + 297509.

It is an arithmetic number, because the mean of its divisors is an integer number (107164512).

Almost surely, 2^2154170364 is an apocalyptic number.

It is an amenable number.

2154170364 is an abundant number, since it is smaller than the sum of its proper divisors (2989726212).

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

2154170364 is a wasteful number, since it uses less digits than its factorization.

2154170364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2154170364 is about 46413.0408829243. The cubic root of 2154170364 is about 1291.4968430902.

Adding to 2154170364 its reverse (4630714512), we get a palindrome (6784884876).

The spelling of 2154170364 in words is "two billion, one hundred fifty-four million, one hundred seventy thousand, three hundred sixty-four".