5156406655 has 4 divisors (see below), whose sum is σ = 6187687992. Its totient is φ = 4125125320.

The previous prime is 5156406653. The next prime is 5156406679. The reversal of 5156406655 is 5566046515.

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

It is not a de Polignac number, because 5156406655 - 2¹ = 5156406653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156406653) 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, 515640661 + ... + 515640670.

It is an arithmetic number, because the mean of its divisors is an integer number (1546921998).

Almost surely, 2^5156406655 is an apocalyptic number.

5156406655 is a deficient number, since it is larger than the sum of its proper divisors (1031281337).

5156406655 is a wasteful number, since it uses less digits than its factorization.

5156406655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031281336.

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 5156406655 is about 71808.1238788481. The cubic root of 5156406655 is about 1727.6233031212.

The spelling of 5156406655 in words is "five billion, one hundred fifty-six million, four hundred six thousand, six hundred fifty-five".