2151116463600 has 360 divisors, whose sum is σ = 8256482579072. Its totient is φ = 515194214400.

The previous prime is 2151116463577. The next prime is 2151116463619. The reversal of 2151116463600 is 63646111512.

2151116463600 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 1 + 1 + 6 + 46 + 3 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1110465 + ... + 2352735.

Almost surely, 2^{2151116463600} is an apocalyptic number.

2151116463600 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 2151116463600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4128241289536).

2151116463600 is an abundant number, since it is smaller than the sum of its proper divisors (6105366115472).

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

2151116463600 is a wasteful number, since it uses less digits than its factorization.

2151116463600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242345 (or 1242331 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 2151116463600 in words is "two trillion, one hundred fifty-one billion, one hundred sixteen million, four hundred sixty-three thousand, six hundred".