166051534 has 16 divisors (see below), whose sum is σ = 275550336. Its totient is φ = 74414200.

The previous prime is 166051519. The next prime is 166051549. The reversal of 166051534 is 435150661.

It is an interprime number because it is at equal distance from previous prime (166051519) and next prime (166051549).

It is a super-2 number, since 2×166051534² = 55146223887506312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166051496 and 166051505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51592 + ... + 54715.

It is an arithmetic number, because the mean of its divisors is an integer number (17221896).

Almost surely, 2^166051534 is an apocalyptic number.

166051534 is a deficient number, since it is larger than the sum of its proper divisors (109498802).

166051534 is a wasteful number, since it uses less digits than its factorization.

166051534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106391.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 166051534 is about 12886.0984785931. The cubic root of 166051534 is about 549.6433323922.

The spelling of 166051534 in words is "one hundred sixty-six million, fifty-one thousand, five hundred thirty-four".