1098156960 has 192 divisors, whose sum is σ = 3863583360. Its totient is φ = 291317760.

The previous prime is 1098156893. The next prime is 1098156967. The reversal of 1098156960 is 696518901.

1098156960 is a `hidden beast` number, since 1 + 0 + 9 + 81 + 569 + 6 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1098156967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006015 + ... + 1007105.

It is an arithmetic number, because the mean of its divisors is an integer number (20122830).

Almost surely, 2^1098156960 is an apocalyptic number.

1098156960 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 1098156960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931791680).

1098156960 is an abundant number, since it is smaller than the sum of its proper divisors (2765426400).

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

1098156960 is a wasteful number, since it uses less digits than its factorization.

1098156960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 1098156960 is about 33138.4513820426. The cubic root of 1098156960 is about 1031.7032678523.

The spelling of 1098156960 in words is "one billion, ninety-eight million, one hundred fifty-six thousand, nine hundred sixty".