1080001646 has 8 divisors (see below), whose sum is σ = 1620187920. Its totient is φ = 539939008.

The previous prime is 1080001627. The next prime is 1080001693. The reversal of 1080001646 is 6461000801.

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

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, 4586 + ... + 46701.

It is an arithmetic number, because the mean of its divisors is an integer number (202523490).

Almost surely, 2^1080001646 is an apocalyptic number.

1080001646 is a deficient number, since it is larger than the sum of its proper divisors (540186274).

1080001646 is a wasteful number, since it uses less digits than its factorization.

1080001646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61818.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1080001646 is about 32863.3784933929. The cubic root of 1080001646 is about 1025.9860892318.

The spelling of 1080001646 in words is "one billion, eighty million, one thousand, six hundred forty-six".