1966612430 has 8 divisors (see below), whose sum is σ = 3539902392. Its totient is φ = 786644968.

The previous prime is 1966612421. The next prime is 1966612507. The reversal of 1966612430 is 342166691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98330612 + ... + 98330631.

It is an arithmetic number, because the mean of its divisors is an integer number (442487799).

Almost surely, 2^1966612430 is an apocalyptic number.

1966612430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966612430 is a deficient number, since it is larger than the sum of its proper divisors (1573289962).

1966612430 is a wasteful number, since it uses less digits than its factorization.

1966612430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196661250.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1966612430 is about 44346.5041463248. The cubic root of 1966612430 is about 1252.8707205240.

The spelling of 1966612430 in words is "one billion, nine hundred sixty-six million, six hundred twelve thousand, four hundred thirty".