5151661476 has 72 divisors (see below), whose sum is σ = 13034103264. Its totient is φ = 1582963200.

The previous prime is 5151661457. The next prime is 5151661477. The reversal of 5151661476 is 6741661515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5151661477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2130220 + ... + 2132636.

It is an arithmetic number, because the mean of its divisors is an integer number (181029212).

Almost surely, 2^5151661476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5151661476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6517051632).

5151661476 is an abundant number, since it is smaller than the sum of its proper divisors (7882441788).

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

5151661476 is a wasteful number, since it uses less digits than its factorization.

5151661476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501 (or 3486 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 5151661476 is about 71775.0755903468. The cubic root of 5151661476 is about 1727.0931925002.

The spelling of 5151661476 in words is "five billion, one hundred fifty-one million, six hundred sixty-one thousand, four hundred seventy-six".