2401664655 has 16 divisors (see below), whose sum is σ = 4138253280. Its totient is φ = 1182357888.

The previous prime is 2401664653. The next prime is 2401664687. The reversal of 2401664655 is 5564661042.

It is not a de Polignac number, because 2401664655 - 2¹ = 2401664653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401664651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157920 + ... + 6158309.

It is an arithmetic number, because the mean of its divisors is an integer number (258640830).

Almost surely, 2^2401664655 is an apocalyptic number.

2401664655 is a deficient number, since it is larger than the sum of its proper divisors (1736588625).

2401664655 is a wasteful number, since it uses less digits than its factorization.

2401664655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12316250.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2401664655 is about 49006.7817245736. The cubic root of 2401664655 is about 1339.1753772090.

The spelling of 2401664655 in words is "two billion, four hundred one million, six hundred sixty-four thousand, six hundred fifty-five".