155662135566612 has 12 divisors (see below), whose sum is σ = 363211649655456. Its totient is φ = 51887378522200.

The previous prime is 155662135566557. The next prime is 155662135566643. The reversal of 155662135566612 is 216665531266551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 6485922315264 + ... + 6485922315287.

It is an arithmetic number, because the mean of its divisors is an integer number (30267637471288).

Almost surely, 2^{155662135566612} is an apocalyptic number.

155662135566612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155662135566612 is an abundant number, since it is smaller than the sum of its proper divisors (207549514088844).

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

155662135566612 is a wasteful number, since it uses less digits than its factorization.

155662135566612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971844630558 (or 12971844630556 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 60.

The spelling of 155662135566612 in words is "one hundred fifty-five trillion, six hundred sixty-two billion, one hundred thirty-five million, five hundred sixty-six thousand, six hundred twelve".