5166400537 has 4 divisors (see below), whose sum is σ = 5169383460. Its totient is φ = 5163417616.

The previous prime is 5166400501. The next prime is 5166400543. The reversal of 5166400537 is 7350046615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 887801616 + 4278598921 = 29796^2 + 65411^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166400537 - 2¹⁵ = 5166367769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5166400496 and 5166400505.

It is not an unprimeable number, because it can be changed into a prime (5166400597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488862 + ... + 1492327.

It is an arithmetic number, because the mean of its divisors is an integer number (1292345865).

Almost surely, 2^5166400537 is an apocalyptic number.

It is an amenable number.

5166400537 is a deficient number, since it is larger than the sum of its proper divisors (2982923).

5166400537 is a wasteful number, since it uses less digits than its factorization.

5166400537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982922.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 5166400537 is about 71877.6775988206. The cubic root of 5166400537 is about 1728.7387130121.

The spelling of 5166400537 in words is "five billion, one hundred sixty-six million, four hundred thousand, five hundred thirty-seven".