5400361665 has 64 divisors (see below), whose sum is σ = 9970974720. Its totient is φ = 2770234560.

The previous prime is 5400361657. The next prime is 5400361667. The reversal of 5400361665 is 5661630045.

It is not a de Polignac number, because 5400361665 - 2³ = 5400361657 is a prime.

It is a super-2 number, since 2×5400361665² = 58327812225603144450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5400361667) 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, 695032 + ... + 702758.

It is an arithmetic number, because the mean of its divisors is an integer number (155796480).

Almost surely, 2^5400361665 is an apocalyptic number.

It is an amenable number.

5400361665 is a deficient number, since it is larger than the sum of its proper divisors (4570613055).

5400361665 is a wasteful number, since it uses less digits than its factorization.

5400361665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939 (or 7933 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5400361665 is about 73487.1530609262. The cubic root of 5400361665 is about 1754.4498092709.

The spelling of 5400361665 in words is "five billion, four hundred million, three hundred sixty-one thousand, six hundred sixty-five".