5161081628 has 12 divisors (see below), whose sum is σ = 9343337640. Its totient is φ = 2491556592.

The previous prime is 5161081577. The next prime is 5161081631. The reversal of 5161081628 is 8261801615.

It is a junction number, because it is equal to n+sod(n) for n = 5161081591 and 5161081600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22245926 + ... + 22246157.

It is an arithmetic number, because the mean of its divisors is an integer number (778611470).

Almost surely, 2^5161081628 is an apocalyptic number.

5161081628 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

5161081628 is a deficient number, since it is larger than the sum of its proper divisors (4182256012).

5161081628 is a wasteful number, since it uses less digits than its factorization.

5161081628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44492116 (or 44492114 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 5161081628 is about 71840.6683432163. The cubic root of 5161081628 is about 1728.1452526898.

The spelling of 5161081628 in words is "five billion, one hundred sixty-one million, eighty-one thousand, six hundred twenty-eight".