1198654162920 has 384 divisors, whose sum is σ = 4083362150400. Its totient is φ = 304570368000.

The previous prime is 1198654162897. The next prime is 1198654162921. The reversal of 1198654162920 is 292614568911.

1198654162920 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 6 + 5 + 4 + 1 + 629 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1198654162921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 748690120 + ... + 748691720.

It is an arithmetic number, because the mean of its divisors is an integer number (10633755600).

Almost surely, 2^{1198654162920} is an apocalyptic number.

1198654162920 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 1198654162920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2041681075200).

1198654162920 is an abundant number, since it is smaller than the sum of its proper divisors (2884707987480).

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

1198654162920 is a wasteful number, since it uses less digits than its factorization.

1198654162920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1198654162920 in words is "one trillion, one hundred ninety-eight billion, six hundred fifty-four million, one hundred sixty-two thousand, nine hundred twenty".