4155634661 has 12 divisors (see below), whose sum is σ = 4311545472. Its totient is φ = 4001193000.

The previous prime is 4155634657. The next prime is 4155634667. The reversal of 4155634661 is 1664365514.

It is not a de Polignac number, because 4155634661 - 2² = 4155634657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155634667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378646 + ... + 1381656.

It is an arithmetic number, because the mean of its divisors is an integer number (359295456).

Almost surely, 2^4155634661 is an apocalyptic number.

It is an amenable number.

4155634661 is a deficient number, since it is larger than the sum of its proper divisors (155910811).

4155634661 is an equidigital number, since it uses as much as digits as its factorization.

4155634661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 3253 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 4155634661 is about 64464.2122498988. The cubic root of 4155634661 is about 1607.7275478605.

The spelling of 4155634661 in words is "four billion, one hundred fifty-five million, six hundred thirty-four thousand, six hundred sixty-one".