2056690190187 has 24 divisors (see below), whose sum is σ = 2985850467600. Its totient is φ = 1364186311488.

The previous prime is 2056690190171. The next prime is 2056690190309. The reversal of 2056690190187 is 7810910966502.

It is not a de Polignac number, because 2056690190187 - 2⁴ = 2056690190171 is a prime.

It is a super-2 number, since 2×2056690190187² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2056690190167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675489 + ... + 2137677.

It is an arithmetic number, because the mean of its divisors is an integer number (124410436150).

Almost surely, 2^{2056690190187} is an apocalyptic number.

2056690190187 is a deficient number, since it is larger than the sum of its proper divisors (929160277413).

2056690190187 is a wasteful number, since it uses less digits than its factorization.

2056690190187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462987 (or 1462984 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 2056690190187 in words is "two trillion, fifty-six billion, six hundred ninety million, one hundred ninety thousand, one hundred eighty-seven".