155686227468 has 72 divisors (see below), whose sum is σ = 384031613952. Its totient is φ = 49082247648.

The previous prime is 155686227467. The next prime is 155686227481. The reversal of 155686227468 is 864722686551.

It is not an unprimeable number, because it can be changed into a prime (155686227467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2599921 + ... + 2659127.

It is an arithmetic number, because the mean of its divisors is an integer number (5333772416).

Almost surely, 2^155686227468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155686227468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192015806976).

155686227468 is an abundant number, since it is smaller than the sum of its proper divisors (228345386484).

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

155686227468 is a wasteful number, since it uses less digits than its factorization.

155686227468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59859 (or 59838 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 60.

The spelling of 155686227468 in words is "one hundred fifty-five billion, six hundred eighty-six million, two hundred twenty-seven thousand, four hundred sixty-eight".