4166764306157 has 2 divisors, whose sum is σ = 4166764306158. Its totient is φ = 4166764306156.

The previous prime is 4166764306139. The next prime is 4166764306163. The reversal of 4166764306157 is 7516034676614.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3879694453636 + 287069852521 = 1969694^2 + 535789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4166764306157 - 2⁶ = 4166764306093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4166764606157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083382153078 + 2083382153079.

It is an arithmetic number, because the mean of its divisors is an integer number (2083382153079).

Almost surely, 2^{4166764306157} is an apocalyptic number.

It is an amenable number.

4166764306157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166764306157 is an equidigital number, since it uses as much as digits as its factorization.

4166764306157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 4166764306157 in words is "four trillion, one hundred sixty-six billion, seven hundred sixty-four million, three hundred six thousand, one hundred fifty-seven".