1641506640414 has 16 divisors (see below), whose sum is σ = 3476131709328. Its totient is φ = 514982475392.

The previous prime is 1641506640409. The next prime is 1641506640439. The reversal of 1641506640414 is 4140466051461.

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, 8046601077 + ... + 8046601280.

It is an arithmetic number, because the mean of its divisors is an integer number (217258231833).

Almost surely, 2^{1641506640414} is an apocalyptic number.

1641506640414 is an abundant number, since it is smaller than the sum of its proper divisors (1834625068914).

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

1641506640414 is a wasteful number, since it uses less digits than its factorization.

1641506640414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093202379.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 1641506640414 in words is "one trillion, six hundred forty-one billion, five hundred six million, six hundred forty thousand, four hundred fourteen".