1620654680232 has 384 divisors, whose sum is σ = 5314493184000. Its totient is φ = 453118406400.

The previous prime is 1620654680213. The next prime is 1620654680251. The reversal of 1620654680232 is 2320864560261.

1620654680232 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 6 + 546 + 80 + 23 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1620654680213) and next prime (1620654680251).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 165182607 + ... + 165192417.

It is an arithmetic number, because the mean of its divisors is an integer number (13839826000).

Almost surely, 2^{1620654680232} is an apocalyptic number.

1620654680232 is a gapful number since it is divisible by the number (12) 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 1620654680232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2657246592000).

1620654680232 is an abundant number, since it is smaller than the sum of its proper divisors (3693838503768).

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

1620654680232 is a wasteful number, since it uses less digits than its factorization.

1620654680232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099 (or 10083 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 1620654680232 in words is "one trillion, six hundred twenty billion, six hundred fifty-four million, six hundred eighty thousand, two hundred thirty-two".