2656101492 has 54 divisors (see below), whose sum is σ = 7379901074. Its totient is φ = 804877920.

The previous prime is 2656101491. The next prime is 2656101521. The reversal of 2656101492 is 2941016562.

2656101492 is a `hidden beast` number, since 2 + 6 + 561 + 0 + 1 + 4 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2643399396 + 12702096 = 51414^2 + 3564^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656101491) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 300523 + ... + 309234.

Almost surely, 2^2656101492 is an apocalyptic number.

2656101492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2656101492 is an abundant number, since it is smaller than the sum of its proper divisors (4723799582).

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

2656101492 is a wasteful number, since it uses less digits than its factorization.

2656101492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609789 (or 609773 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2656101492 is about 51537.3795608585. The cubic root of 2656101492 is about 1384.8887540270. Note that the first 3 decimals are identical.

The spelling of 2656101492 in words is "two billion, six hundred fifty-six million, one hundred one thousand, four hundred ninety-two".