2151382662 has 72 divisors (see below), whose sum is σ = 5517806112. Its totient is φ = 601777440.

The previous prime is 2151382643. The next prime is 2151382669. The reversal of 2151382662 is 2662831512.

2151382662 is a `hidden beast` number, since 2 + 1 + 513 + 82 + 6 + 62 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151382669) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9678 + ... + 66305.

It is an arithmetic number, because the mean of its divisors is an integer number (76636196).

Almost surely, 2^2151382662 is an apocalyptic number.

2151382662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2151382662 is an abundant number, since it is smaller than the sum of its proper divisors (3366423450).

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

2151382662 is a wasteful number, since it uses less digits than its factorization.

2151382662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76026 (or 76012 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2151382662 is about 46382.9997089451. Note that the first 3 decimals coincide. The cubic root of 2151382662 is about 1290.9394958848.

The spelling of 2151382662 in words is "two billion, one hundred fifty-one million, three hundred eighty-two thousand, six hundred sixty-two".