63156078260 has 72 divisors (see below), whose sum is σ = 145974804360. Its totient is φ = 22935306240.

The previous prime is 63156078247. The next prime is 63156078263. The reversal of 63156078260 is 6287065136.

63156078260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20771150884 + 42384927376 = 144122^2 + 205876^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63156078263) 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, 1844012 + ... + 1877948.

Almost surely, 2^63156078260 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 63156078260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72987402180).

63156078260 is an abundant number, since it is smaller than the sum of its proper divisors (82818726100).

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

63156078260 is a wasteful number, since it uses less digits than its factorization.

63156078260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34737 (or 34724 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 63156078260 in words is "sixty-three billion, one hundred fifty-six million, seventy-eight thousand, two hundred sixty".