162166847 has 2 divisors, whose sum is σ = 162166848. Its totient is φ = 162166846.

The previous prime is 162166787. The next prime is 162166861. The reversal of 162166847 is 748661261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162166847 - 2⁶ = 162166783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162166877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81083423 + 81083424.

It is an arithmetic number, because the mean of its divisors is an integer number (81083424).

Almost surely, 2^162166847 is an apocalyptic number.

162166847 is a deficient number, since it is larger than the sum of its proper divisors (1).

162166847 is an equidigital number, since it uses as much as digits as its factorization.

162166847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 162166847 is about 12734.4747437812. The cubic root of 162166847 is about 545.3232624762.

The spelling of 162166847 in words is "one hundred sixty-two million, one hundred sixty-six thousand, eight hundred forty-seven".