49516688162261 has 16 divisors (see below), whose sum is σ = 50899568222016. Its totient is φ = 48150459092736.

The previous prime is 49516688162243. The next prime is 49516688162269. The reversal of 49516688162261 is 16226188661594.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49516688162261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49516688162269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154134146 + ... + 154455068.

It is an arithmetic number, because the mean of its divisors is an integer number (3181223013876).

Almost surely, 2^{49516688162261} is an apocalyptic number.

It is an amenable number.

49516688162261 is a deficient number, since it is larger than the sum of its proper divisors (1382880059755).

49516688162261 is a wasteful number, since it uses less digits than its factorization.

49516688162261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346852.

The product of its digits is 59719680, while the sum is 65.

The spelling of 49516688162261 in words is "forty-nine trillion, five hundred sixteen billion, six hundred eighty-eight million, one hundred sixty-two thousand, two hundred sixty-one".