671550072306 has 64 divisors (see below), whose sum is σ = 1383782400000. Its totient is φ = 217143553536.

The previous prime is 671550072283. The next prime is 671550072311. The reversal of 671550072306 is 603270055176.

671550072306 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×671550072306² (a number of 24 digits) contains 22 as substring.

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, 53808175 + ... + 53820653.

It is an arithmetic number, because the mean of its divisors is an integer number (21621600000).

Almost surely, 2^671550072306 is an apocalyptic number.

671550072306 is an abundant number, since it is smaller than the sum of its proper divisors (712232327694).

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

671550072306 is a wasteful number, since it uses less digits than its factorization.

671550072306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13943.

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 671550072306 in words is "six hundred seventy-one billion, five hundred fifty million, seventy-two thousand, three hundred six".