155928066 has 16 divisors (see below), whose sum is σ = 356407104. Its totient is φ = 44550864.

The previous prime is 155928037. The next prime is 155928077. The reversal of 155928066 is 660829551.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3712573 = 155928066 / (1 + 5 + 5 + 9 + 2 + 8 + 0 + 6 + 6).

It is a Curzon 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, 1856245 + ... + 1856328.

It is an arithmetic number, because the mean of its divisors is an integer number (22275444).

Almost surely, 2^155928066 is an apocalyptic number.

155928066 is an abundant number, since it is smaller than the sum of its proper divisors (200479038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155928066 is a wasteful number, since it uses less digits than its factorization.

155928066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712585.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 155928066 is about 12487.1160001019. The cubic root of 155928066 is about 538.2385057490.

The spelling of 155928066 in words is "one hundred fifty-five million, nine hundred twenty-eight thousand, sixty-six".