5161211916 has 48 divisors (see below), whose sum is σ = 13787214336. Its totient is φ = 1472062464.

The previous prime is 5161211911. The next prime is 5161211947. The reversal of 5161211916 is 6191121615.

It is not an unprimeable number, because it can be changed into a prime (5161211911) 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, 4776 + ... + 101711.

It is an arithmetic number, because the mean of its divisors is an integer number (287233632).

Almost surely, 2^5161211916 is an apocalyptic number.

It is an amenable number.

5161211916 is an abundant number, since it is smaller than the sum of its proper divisors (8626002420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161211916 is a wasteful number, since it uses less digits than its factorization.

5161211916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107078 (or 107076 counting only the distinct ones).

The product of its digits is 3240, while the sum is 33.

The square root of 5161211916 is about 71841.5751219306. The cubic root of 5161211916 is about 1728.1597945185.

The spelling of 5161211916 in words is "five billion, one hundred sixty-one million, two hundred eleven thousand, nine hundred sixteen".