1536198660 has 108 divisors (see below), whose sum is σ = 4777169124. Its totient is φ = 399582720.

The previous prime is 1536198637. The next prime is 1536198667. The reversal of 1536198660 is 668916351.

It can be written as a sum of positive squares in 6 ways, for example, as 158155776 + 1378042884 = 12576^2 + 37122^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536198667) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 300042 + ... + 305118.

Almost surely, 2^1536198660 is an apocalyptic number.

1536198660 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 1536198660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388584562).

1536198660 is an abundant number, since it is smaller than the sum of its proper divisors (3240970464).

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

1536198660 is a wasteful number, since it uses less digits than its factorization.

1536198660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1536198660 is about 39194.3702590053. The cubic root of 1536198660 is about 1153.8493966883.

The spelling of 1536198660 in words is "one billion, five hundred thirty-six million, one hundred ninety-eight thousand, six hundred sixty".