155650066 has 48 divisors (see below), whose sum is σ = 281151360. Its totient is φ = 63704160.

The previous prime is 155650043. The next prime is 155650073. The reversal of 155650066 is 660056551.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1875261 + ... + 1875343.

It is an arithmetic number, because the mean of its divisors is an integer number (5857320).

Almost surely, 2^155650066 is an apocalyptic number.

155650066 is a deficient number, since it is larger than the sum of its proper divisors (125501294).

155650066 is a wasteful number, since it uses less digits than its factorization.

155650066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 155650066 is about 12475.9795607399. The cubic root of 155650066 is about 537.9184450942.

The spelling of 155650066 in words is "one hundred fifty-five million, six hundred fifty thousand, sixty-six".