2661892662 has 32 divisors (see below), whose sum is σ = 6254519040. Its totient is φ = 744585120.

The previous prime is 2661892643. The next prime is 2661892747. The reversal of 2661892662 is 2662981662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1550362 + ... + 1552077.

It is an arithmetic number, because the mean of its divisors is an integer number (195453720).

Almost surely, 2^2661892662 is an apocalyptic number.

2661892662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2661892662 is an abundant number, since it is smaller than the sum of its proper divisors (3592626378).

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

2661892662 is a wasteful number, since it uses less digits than its factorization.

2661892662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102468.

The product of its digits is 746496, while the sum is 48.

The square root of 2661892662 is about 51593.5331412765. The cubic root of 2661892662 is about 1385.8945268922.

The spelling of 2661892662 in words is "two billion, six hundred sixty-one million, eight hundred ninety-two thousand, six hundred sixty-two".