1656011117226 has 16 divisors (see below), whose sum is σ = 3486339194400. Its totient is φ = 522950879088.

The previous prime is 1656011117069. The next prime is 1656011117249. The reversal of 1656011117226 is 6227111106561.

It is a super-2 number, since 2×1656011117226² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7263206541 + ... + 7263206768.

It is an arithmetic number, because the mean of its divisors is an integer number (217896199650).

Almost surely, 2^{1656011117226} is an apocalyptic number.

1656011117226 is an abundant number, since it is smaller than the sum of its proper divisors (1830328077174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1656011117226 is a wasteful number, since it uses less digits than its factorization.

1656011117226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14526413333.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 1656011117226 in words is "one trillion, six hundred fifty-six billion, eleven million, one hundred seventeen thousand, two hundred twenty-six".