1198157068660 has 24 divisors (see below), whose sum is σ = 2516406633216. Its totient is φ = 479210105760.

The previous prime is 1198157068613. The next prime is 1198157068721. The reversal of 1198157068660 is 668607518911.

It is a super-2 number, since 2×1198157068660² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1198157068595 and 1198157068604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108496 + ... + 3472615.

It is an arithmetic number, because the mean of its divisors is an integer number (104850276384).

Almost surely, 2^{1198157068660} is an apocalyptic number.

1198157068660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198157068660 is an abundant number, since it is smaller than the sum of its proper divisors (1318249564556).

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

1198157068660 is a wasteful number, since it uses less digits than its factorization.

1198157068660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590223 (or 6590221 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 1198157068660 in words is "one trillion, one hundred ninety-eight billion, one hundred fifty-seven million, sixty-eight thousand, six hundred sixty".