5661146929 has 16 divisors (see below), whose sum is σ = 6030806400. Its totient is φ = 5312234928.

The previous prime is 5661146921. The next prime is 5661146951. The reversal of 5661146929 is 9296411665.

It is not a de Polignac number, because 5661146929 - 2³ = 5661146921 is a prime.

It is a super-2 number, since 2×5661146929² = 64097169103452262082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5661146921) 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, 640462 + ... + 649240.

It is an arithmetic number, because the mean of its divisors is an integer number (376925400).

Almost surely, 2^5661146929 is an apocalyptic number.

It is an amenable number.

5661146929 is a deficient number, since it is larger than the sum of its proper divisors (369659471).

5661146929 is an frugal number, since it uses more digits than its factorization.

5661146929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901 (or 8855 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 5661146929 is about 75240.5936247183. The cubic root of 5661146929 is about 1782.2480254300.

The spelling of 5661146929 in words is "five billion, six hundred sixty-one million, one hundred forty-six thousand, nine hundred twenty-nine".