51161160101606 has 4 divisors (see below), whose sum is σ = 76741740152412. Its totient is φ = 25580580050802.

The previous prime is 51161160101599. The next prime is 51161160101629. The reversal of 51161160101606 is 60610106116115.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790290025400 + ... + 12790290025403.

It is an arithmetic number, because the mean of its divisors is an integer number (19185435038103).

Almost surely, 2^{51161160101606} is an apocalyptic number.

51161160101606 is a deficient number, since it is larger than the sum of its proper divisors (25580580050806).

51161160101606 is a wasteful number, since it uses less digits than its factorization.

51161160101606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580580050805.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 51161160101606 in words is "fifty-one trillion, one hundred sixty-one billion, one hundred sixty million, one hundred one thousand, six hundred six".