2106077564 has 18 divisors (see below), whose sum is σ = 3773354760. Its totient is φ = 1028545896.

The previous prime is 2106077549. The next prime is 2106077579. The reversal of 2106077564 is 4657706012.

It is an interprime number because it is at equal distance from previous prime (2106077549) and next prime (2106077579).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134984 + ... + 149775.

It is an arithmetic number, because the mean of its divisors is an integer number (209630820).

Almost surely, 2^2106077564 is an apocalyptic number.

It is an amenable number.

2106077564 is a deficient number, since it is larger than the sum of its proper divisors (1667277196).

2106077564 is a wasteful number, since it uses less digits than its factorization.

2106077564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284849 (or 284804 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2106077564 is about 45892.0207007711. The cubic root of 2106077564 is about 1281.8133405222.

The spelling of 2106077564 in words is "two billion, one hundred six million, seventy-seven thousand, five hundred sixty-four".