1992928166 has 4 divisors (see below), whose sum is σ = 2989392252. Its totient is φ = 996464082.

The previous prime is 1992928163. The next prime is 1992928187. The reversal of 1992928166 is 6618292991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6618292991 = 11593 ⋅570887.

It is a super-2 number, since 2×1992928166² = 7943525349672247112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992928163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498232040 + ... + 498232043.

It is an arithmetic number, because the mean of its divisors is an integer number (747348063).

Almost surely, 2^1992928166 is an apocalyptic number.

1992928166 is a deficient number, since it is larger than the sum of its proper divisors (996464086).

1992928166 is an equidigital number, since it uses as much as digits as its factorization.

1992928166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996464085.

The product of its digits is 839808, while the sum is 53.

The square root of 1992928166 is about 44642.2240261392. The cubic root of 1992928166 is about 1258.4343040926.

The spelling of 1992928166 in words is "one billion, nine hundred ninety-two million, nine hundred twenty-eight thousand, one hundred sixty-six".