2153366939880 has 384 divisors, whose sum is σ = 7868123827200. Its totient is φ = 506778015744.

The previous prime is 2153366939873. The next prime is 2153366939887. The reversal of 2153366939880 is 889396633512.

2153366939880 is a `hidden beast` number, since 2 + 1 + 533 + 6 + 6 + 9 + 3 + 98 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2153366939873) and next prime (2153366939887).

It is not an unprimeable number, because it can be changed into a prime (2153366939887) 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, 364789009 + ... + 364794911.

It is an arithmetic number, because the mean of its divisors is an integer number (20489905800).

Almost surely, 2^{2153366939880} is an apocalyptic number.

2153366939880 is a gapful number since it is divisible by the number (20) 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 2153366939880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3934061913600).

2153366939880 is an abundant number, since it is smaller than the sum of its proper divisors (5714756887320).

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

2153366939880 is a wasteful number, since it uses less digits than its factorization.

2153366939880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345 (or 9338 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 2153366939880 in words is "two trillion, one hundred fifty-three billion, three hundred sixty-six million, nine hundred thirty-nine thousand, eight hundred eighty".