154127516322 has 64 divisors (see below), whose sum is σ = 334871712000. Its totient is φ = 47290299264.

The previous prime is 154127516293. The next prime is 154127516339. The reversal of 154127516322 is 223615721451.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4716054 + ... + 4748622.

It is an arithmetic number, because the mean of its divisors is an integer number (5232370500).

Almost surely, 2^154127516322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154127516322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167435856000).

154127516322 is an abundant number, since it is smaller than the sum of its proper divisors (180744195678).

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

154127516322 is a wasteful number, since it uses less digits than its factorization.

154127516322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32972 (or 32946 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 154127516322 in words is "one hundred fifty-four billion, one hundred twenty-seven million, five hundred sixteen thousand, three hundred twenty-two".