190911466797 has 16 divisors (see below), whose sum is σ = 258967978560. Its totient is φ = 125068608000.

The previous prime is 190911466787. The next prime is 190911466931. The reversal of 190911466797 is 797664119091.

It is not a de Polignac number, because 190911466797 - 2²⁴ = 190894689581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190911466797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190911466787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303972 + ... + 688637.

It is an arithmetic number, because the mean of its divisors is an integer number (16185498660).

Almost surely, 2^190911466797 is an apocalyptic number.

It is an amenable number.

190911466797 is a deficient number, since it is larger than the sum of its proper divisors (68056511763).

190911466797 is a wasteful number, since it uses less digits than its factorization.

190911466797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993724.

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 190911466797 in words is "one hundred ninety billion, nine hundred eleven million, four hundred sixty-six thousand, seven hundred ninety-seven".