672643158330 has 128 divisors (see below), whose sum is σ = 1979031398400. Its totient is φ = 143977109760.

The previous prime is 672643158311. The next prime is 672643158347. The reversal of 672643158330 is 33851346276.

It is a self number, because there is not a number n which added to its sum of digits gives 672643158330.

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 63 ways as a sum of consecutive naturals, for example, 3309880 + ... + 3507219.

It is an arithmetic number, because the mean of its divisors is an integer number (15461182800).

Almost surely, 2^672643158330 is an apocalyptic number.

672643158330 is an abundant number, since it is smaller than the sum of its proper divisors (1306388240070).

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

672643158330 is a wasteful number, since it uses less digits than its factorization.

672643158330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817156.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 672643158330 in words is "six hundred seventy-two billion, six hundred forty-three million, one hundred fifty-eight thousand, three hundred thirty".