166015351 has 2 divisors, whose sum is σ = 166015352. Its totient is φ = 166015350.

The previous prime is 166015301. The next prime is 166015361. The reversal of 166015351 is 153510661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166015351 - 2⁹ = 166014839 is a prime.

It is a super-2 number, since 2×166015351² = 55122193535306402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166015301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83007675 + 83007676.

It is an arithmetic number, because the mean of its divisors is an integer number (83007676).

Almost surely, 2^166015351 is an apocalyptic number.

166015351 is a deficient number, since it is larger than the sum of its proper divisors (1).

166015351 is an equidigital number, since it uses as much as digits as its factorization.

166015351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 166015351 is about 12884.6944472890. The cubic root of 166015351 is about 549.6034066557.

It can be divided in two parts, 16601 and 5351, that added together give a cube (21952 = 28³).

The spelling of 166015351 in words is "one hundred sixty-six million, fifteen thousand, three hundred fifty-one".