156541066 has 16 divisors (see below), whose sum is σ = 271226880. Its totient is φ = 66969280.

The previous prime is 156541037. The next prime is 156541079. The reversal of 156541066 is 660145651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 208906 + ... + 209653.

It is an arithmetic number, because the mean of its divisors is an integer number (16951680).

Almost surely, 2^156541066 is an apocalyptic number.

156541066 is a deficient number, since it is larger than the sum of its proper divisors (114685814).

156541066 is a wasteful number, since it uses less digits than its factorization.

156541066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418589.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 156541066 is about 12511.6372230016. The cubic root of 156541066 is about 538.9429091526.

The spelling of 156541066 in words is "one hundred fifty-six million, five hundred forty-one thousand, sixty-six".