155346660 has 360 divisors, whose sum is σ = 602521920. Its totient is φ = 33312384.

The previous prime is 155346643. The next prime is 155346721. The reversal of 155346660 is 66643551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1508169 + ... + 1508271.

It is an arithmetic number, because the mean of its divisors is an integer number (1673672).

Almost surely, 2^155346660 is an apocalyptic number.

155346660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155346660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301260960).

155346660 is an abundant number, since it is smaller than the sum of its proper divisors (447175260).

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

155346660 is a wasteful number, since it uses less digits than its factorization.

155346660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 155346660 is about 12463.8140230028. The cubic root of 155346660 is about 537.5686993495.

The spelling of 155346660 in words is "one hundred fifty-five million, three hundred forty-six thousand, six hundred sixty".