1868466632 has 16 divisors (see below), whose sum is σ = 3503962800. Its totient is φ = 934076560.

The previous prime is 1868466557. The next prime is 1868466643. The reversal of 1868466632 is 2366648681.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42719 + ... + 74577.

It is an arithmetic number, because the mean of its divisors is an integer number (218997675).

Almost surely, 2^1868466632 is an apocalyptic number.

It is an amenable number.

1868466632 is a deficient number, since it is larger than the sum of its proper divisors (1635496168).

1868466632 is a wasteful number, since it uses less digits than its factorization.

1868466632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39196 (or 39192 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 1868466632 is about 43225.7635213075. The cubic root of 1868466632 is about 1231.6721329849.

The spelling of 1868466632 in words is "one billion, eight hundred sixty-eight million, four hundred sixty-six thousand, six hundred thirty-two".