501666141361 has 32 divisors (see below), whose sum is σ = 628700958720. Its totient is φ = 388880956800.

The previous prime is 501666141341. The next prime is 501666141367. The reversal of 501666141361 is 163141666105.

It is not a de Polignac number, because 501666141361 - 2⁹ = 501666140849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501666141367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45112360 + ... + 45123478.

It is an arithmetic number, because the mean of its divisors is an integer number (19646904960).

Almost surely, 2^501666141361 is an apocalyptic number.

It is an amenable number.

501666141361 is a deficient number, since it is larger than the sum of its proper divisors (127034817359).

501666141361 is a wasteful number, since it uses less digits than its factorization.

501666141361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 501666141361 in words is "five hundred one billion, six hundred sixty-six million, one hundred forty-one thousand, three hundred sixty-one".