671064167761430 has 16 divisors (see below), whose sum is σ = 1209550029050160. Its totient is φ = 268062438864672.

The previous prime is 671064167761397. The next prime is 671064167761489. The reversal of 671064167761430 is 34167761460176.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671064167761430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45403522229 + ... + 45403537008.

It is an arithmetic number, because the mean of its divisors is an integer number (75596876815635).

Almost surely, 2^{671064167761430} is an apocalyptic number.

671064167761430 is a deficient number, since it is larger than the sum of its proper divisors (538485861288730).

671064167761430 is a wasteful number, since it uses less digits than its factorization.

671064167761430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90807059983.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 671064167761430 in words is "six hundred seventy-one trillion, sixty-four billion, one hundred sixty-seven million, seven hundred sixty-one thousand, four hundred thirty".