2076665451 has 16 divisors (see below), whose sum is σ = 3224150784. Its totient is φ = 1164275424.

The previous prime is 2076665387. The next prime is 2076665467. The reversal of 2076665451 is 1545666702.

It is not a de Polignac number, because 2076665451 - 2⁶ = 2076665387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2076665251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931801 + ... + 934026.

It is an arithmetic number, because the mean of its divisors is an integer number (201509424).

Almost surely, 2^2076665451 is an apocalyptic number.

2076665451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2076665451 is a deficient number, since it is larger than the sum of its proper divisors (1147485333).

2076665451 is a wasteful number, since it uses less digits than its factorization.

2076665451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865890.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 2076665451 is about 45570.4449287035. Note that the first 3 decimals coincide. The cubic root of 2076665451 is about 1275.8183547522.

The spelling of 2076665451 in words is "two billion, seventy-six million, six hundred sixty-five thousand, four hundred fifty-one".