1912164077 has 2 divisors, whose sum is σ = 1912164078. Its totient is φ = 1912164076.

The previous prime is 1912164031. The next prime is 1912164113. The reversal of 1912164077 is 7704612191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1857092836 + 55071241 = 43094^2 + 7421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912164077 - 2⁶ = 1912164013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1912164077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912164277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956082038 + 956082039.

It is an arithmetic number, because the mean of its divisors is an integer number (956082039).

Almost surely, 2^1912164077 is an apocalyptic number.

It is an amenable number.

1912164077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912164077 is an equidigital number, since it uses as much as digits as its factorization.

1912164077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1912164077 is about 43728.2983547268. The cubic root of 1912164077 is about 1241.1998611932.

The spelling of 1912164077 in words is "one billion, nine hundred twelve million, one hundred sixty-four thousand, seventy-seven".