1640062314465 has 16 divisors (see below), whose sum is σ = 2688102135936. Its totient is φ = 853365756800.

The previous prime is 1640062314391. The next prime is 1640062314479. The reversal of 1640062314465 is 5644132600461.

It is not a de Polignac number, because 1640062314465 - 2¹⁷ = 1640062183393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333383381 + ... + 1333384610.

It is an arithmetic number, because the mean of its divisors is an integer number (168006383496).

Almost surely, 2^{1640062314465} is an apocalyptic number.

1640062314465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1640062314465 is a deficient number, since it is larger than the sum of its proper divisors (1048039821471).

1640062314465 is a wasteful number, since it uses less digits than its factorization.

1640062314465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666768040.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 1640062314465 in words is "one trillion, six hundred forty billion, sixty-two million, three hundred fourteen thousand, four hundred sixty-five".