1992768163 has 4 divisors (see below), whose sum is σ = 2046626800. Its totient is φ = 1938909528.

The previous prime is 1992768137. The next prime is 1992768179. The reversal of 1992768163 is 3618672991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3618672991 = 10903 ⋅331897.

It is a cyclic number.

It is not a de Polignac number, because 1992768163 - 2¹³ = 1992759971 is a prime.

It is a super-2 number, since 2×1992768163² = 7942249902932789138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992768163.

It is not an unprimeable number, because it can be changed into a prime (1992768103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26929263 + ... + 26929336.

It is an arithmetic number, because the mean of its divisors is an integer number (511656700).

Almost surely, 2^1992768163 is an apocalyptic number.

1992768163 is a deficient number, since it is larger than the sum of its proper divisors (53858637).

1992768163 is an equidigital number, since it uses as much as digits as its factorization.

1992768163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53858636.

The product of its digits is 979776, while the sum is 52.

The square root of 1992768163 is about 44640.4319311541. The cubic root of 1992768163 is about 1258.4006252315.

The spelling of 1992768163 in words is "one billion, nine hundred ninety-two million, seven hundred sixty-eight thousand, one hundred sixty-three".