155279167 has 2 divisors, whose sum is σ = 155279168. Its totient is φ = 155279166.

The previous prime is 155279119. The next prime is 155279197. The reversal of 155279167 is 761972551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155279167 - 2²³ = 146890559 is a prime.

It is a super-2 number, since 2×155279167² = 48223239408427778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155279197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77639583 + 77639584.

It is an arithmetic number, because the mean of its divisors is an integer number (77639584).

Almost surely, 2^155279167 is an apocalyptic number.

155279167 is a deficient number, since it is larger than the sum of its proper divisors (1).

155279167 is an equidigital number, since it uses as much as digits as its factorization.

155279167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 43.

The square root of 155279167 is about 12461.1061708020. The cubic root of 155279167 is about 537.4908361156.

The spelling of 155279167 in words is "one hundred fifty-five million, two hundred seventy-nine thousand, one hundred sixty-seven".