5156217257662 has 4 divisors (see below), whose sum is σ = 7734325886496. Its totient is φ = 2578108628830.

The previous prime is 5156217257651. The next prime is 5156217257669. The reversal of 5156217257662 is 2667527126515.

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

It is a super-2 number, since 2×5156217257662² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156217257669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289054314414 + ... + 1289054314417.

It is an arithmetic number, because the mean of its divisors is an integer number (1933581471624).

Almost surely, 2^{5156217257662} is an apocalyptic number.

5156217257662 is a deficient number, since it is larger than the sum of its proper divisors (2578108628834).

5156217257662 is a wasteful number, since it uses less digits than its factorization.

5156217257662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578108628833.

The product of its digits is 10584000, while the sum is 55.

The spelling of 5156217257662 in words is "five trillion, one hundred fifty-six billion, two hundred seventeen million, two hundred fifty-seven thousand, six hundred sixty-two".