155863041468 has 192 divisors, whose sum is σ = 411680102400. Its totient is φ = 45603717120.

The previous prime is 155863041419. The next prime is 155863041491. The reversal of 155863041468 is 864140368551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 155863041468.

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, 159531796 + ... + 159532772.

It is an arithmetic number, because the mean of its divisors is an integer number (2144167200).

Almost surely, 2^155863041468 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 155863041468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205840051200).

155863041468 is an abundant number, since it is smaller than the sum of its proper divisors (255817060932).

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

155863041468 is a wasteful number, since it uses less digits than its factorization.

155863041468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 155863041468 in words is "one hundred fifty-five billion, eight hundred sixty-three million, forty-one thousand, four hundred sixty-eight".