190946811 has 16 divisors (see below), whose sum is σ = 277999488. Its totient is φ = 115617600.

The previous prime is 190946809. The next prime is 190946837. The reversal of 190946811 is 118649091.

It is not a de Polignac number, because 190946811 - 2¹ = 190946809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190946811.

It is not an unprimeable number, because it can be changed into a prime (190946801) 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, 46920 + ... + 50826.

It is an arithmetic number, because the mean of its divisors is an integer number (17374968).

Almost surely, 2^190946811 is an apocalyptic number.

190946811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190946811 is a deficient number, since it is larger than the sum of its proper divisors (87052677).

190946811 is a wasteful number, since it uses less digits than its factorization.

190946811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 190946811 is about 13818.3505166138. The cubic root of 190946811 is about 575.8430592152.

The spelling of 190946811 in words is "one hundred ninety million, nine hundred forty-six thousand, eight hundred eleven".