15967652220 has 288 divisors, whose sum is σ = 55939403520. Its totient is φ = 3651747840.

The previous prime is 15967652201. The next prime is 15967652243. The reversal of 15967652220 is 2225676951.

15967652220 is a `hidden beast` number, since 1 + 59 + 6 + 76 + 522 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3140080 + ... + 3145160.

It is an arithmetic number, because the mean of its divisors is an integer number (194234040).

Almost surely, 2^15967652220 is an apocalyptic number.

15967652220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15967652220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27969701760).

15967652220 is an abundant number, since it is smaller than the sum of its proper divisors (39971751300).

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

15967652220 is a wasteful number, since it uses less digits than its factorization.

15967652220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 15967652220 in words is "fifteen billion, nine hundred sixty-seven million, six hundred fifty-two thousand, two hundred twenty".