1906857296722 has 32 divisors (see below), whose sum is σ = 3310543353600. Its totient is φ = 806878962240.

The previous prime is 1906857296699. The next prime is 1906857296737. The reversal of 1906857296722 is 2276927586091.

It is a super-2 number, since 2×1906857296722² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2388529 + ... + 3085252.

It is an arithmetic number, because the mean of its divisors is an integer number (103454479800).

Almost surely, 2^{1906857296722} is an apocalyptic number.

1906857296722 is a deficient number, since it is larger than the sum of its proper divisors (1403686056878).

1906857296722 is a wasteful number, since it uses less digits than its factorization.

1906857296722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474106.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 1906857296722 in words is "one trillion, nine hundred six billion, eight hundred fifty-seven million, two hundred ninety-six thousand, seven hundred twenty-two".