2670697906551 has 12 divisors (see below), whose sum is σ = 3857693837712. Its totient is φ = 1780456463136.

The previous prime is 2670697906507. The next prime is 2670697906561. The reversal of 2670697906551 is 1556097960762.

2670697906551 is a `hidden beast` number, since 2 + 6 + 7 + 0 + 6 + 9 + 79 + 0 + 6 + 551 = 666.

It is not a de Polignac number, because 2670697906551 - 2⁷ = 2670697906423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670697906561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565550 + ... + 2791476.

It is an arithmetic number, because the mean of its divisors is an integer number (321474486476).

Almost surely, 2^{2670697906551} is an apocalyptic number.

2670697906551 is a deficient number, since it is larger than the sum of its proper divisors (1186995931161).

2670697906551 is a wasteful number, since it uses less digits than its factorization.

2670697906551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467990 (or 1467987 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 2670697906551 in words is "two trillion, six hundred seventy billion, six hundred ninety-seven million, nine hundred six thousand, five hundred fifty-one".