63162531628 has 48 divisors (see below), whose sum is σ = 130800801600. Its totient is φ = 26112280320.

The previous prime is 63162531581. The next prime is 63162531659. The reversal of 63162531628 is 82613526136.

It is a super-3 number, since 3×63162531628³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865438 + ... + 935578.

It is an arithmetic number, because the mean of its divisors is an integer number (2725016700).

Almost surely, 2^63162531628 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 63162531628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65400400800).

63162531628 is an abundant number, since it is smaller than the sum of its proper divisors (67638269972).

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

63162531628 is a wasteful number, since it uses less digits than its factorization.

63162531628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71290 (or 71288 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The spelling of 63162531628 in words is "sixty-three billion, one hundred sixty-two million, five hundred thirty-one thousand, six hundred twenty-eight".