20154651356160 has 528 divisors, whose sum is σ = 72326276186112. Its totient is φ = 5186093875200.

The previous prime is 20154651356149. The next prime is 20154651356249. The reversal of 20154651356160 is 6165315645102.

20154651356160 is a `hidden beast` number, since 2 + 0 + 1 + 546 + 51 + 3 + 56 + 1 + 6 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153703425 + ... + 153834495.

Almost surely, 2^{20154651356160} is an apocalyptic number.

20154651356160 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 20154651356160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36163138093056).

20154651356160 is an abundant number, since it is smaller than the sum of its proper divisors (52171624829952).

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

20154651356160 is a wasteful number, since it uses less digits than its factorization.

20154651356160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131220 (or 131199 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 20154651356160 in words is "twenty trillion, one hundred fifty-four billion, six hundred fifty-one million, three hundred fifty-six thousand, one hundred sixty".