2166706651052 has 12 divisors (see below), whose sum is σ = 3796011433200. Its totient is φ = 1082131955856.

The previous prime is 2166706651049. The next prime is 2166706651073. The reversal of 2166706651052 is 2501566076612.

It is a junction number, because it is equal to n+sod(n) for n = 2166706650988 and 2166706651006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305338427 + ... + 305345522.

It is an arithmetic number, because the mean of its divisors is an integer number (316334286100).

Almost surely, 2^{2166706651052} is an apocalyptic number.

It is an amenable number.

2166706651052 is a deficient number, since it is larger than the sum of its proper divisors (1629304782148).

2166706651052 is a wasteful number, since it uses less digits than its factorization.

2166706651052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610684840 (or 610684838 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 2166706651052 in words is "two trillion, one hundred sixty-six billion, seven hundred six million, six hundred fifty-one thousand, fifty-two".