155120133151662 has 128 divisors (see below), whose sum is σ = 396525971635200. Its totient is φ = 39443898848256.

The previous prime is 155120133151579. The next prime is 155120133151727. The reversal of 155120133151662 is 266151331021551.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89724423 + ... + 91436930.

It is an arithmetic number, because the mean of its divisors is an integer number (3097859153400).

Almost surely, 2^{155120133151662} is an apocalyptic number.

155120133151662 is an abundant number, since it is smaller than the sum of its proper divisors (241405838483538).

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

155120133151662 is a wasteful number, since it uses less digits than its factorization.

155120133151662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181161450.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 155120133151662 in words is "one hundred fifty-five trillion, one hundred twenty billion, one hundred thirty-three million, one hundred fifty-one thousand, six hundred sixty-two".