1946972160 has 416 divisors, whose sum is σ = 7926266880. Its totient is φ = 444137472.

The previous prime is 1946972147. The next prime is 1946972179. The reversal of 1946972160 is 612796491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3870469 + ... + 3870971.

Almost surely, 2^1946972160 is an apocalyptic number.

1946972160 is a gapful number since it is divisible by the number (10) 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 1946972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3963133440).

1946972160 is an abundant number, since it is smaller than the sum of its proper divisors (5979294720).

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

1946972160 is an equidigital number, since it uses as much as digits as its factorization.

1946972160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1946972160 is about 44124.5074760048. The cubic root of 1946972160 is about 1248.6860133686.

The spelling of 1946972160 in words is "one billion, nine hundred forty-six million, nine hundred seventy-two thousand, one hundred sixty".