155928068 has 12 divisors (see below), whose sum is σ = 273937692. Its totient is φ = 77660160.

The previous prime is 155928037. The next prime is 155928077. The reversal of 155928068 is 860829551.

It can be written as a sum of positive squares in 2 ways, for example, as 147816964 + 8111104 = 12158^2 + 2848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74813 + ... + 76868.

It is an arithmetic number, because the mean of its divisors is an integer number (22828141).

Almost surely, 2^155928068 is an apocalyptic number.

It is an amenable number.

155928068 is a deficient number, since it is larger than the sum of its proper divisors (118009624).

155928068 is a wasteful number, since it uses less digits than its factorization.

155928068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151942 (or 151940 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 155928068 is about 12487.1160801844. The cubic root of 155928068 is about 538.2385080502.

The spelling of 155928068 in words is "one hundred fifty-five million, nine hundred twenty-eight thousand, sixty-eight".