1641375465415 has 16 divisors (see below), whose sum is σ = 2287931330880. Its totient is φ = 1107063544320.

The previous prime is 1641375465413. The next prime is 1641375465419. The reversal of 1641375465415 is 5145645731461.

It is not a de Polignac number, because 1641375465415 - 2¹ = 1641375465413 is a prime.

It is a super-2 number, since 2×1641375465415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641375465413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384394930 + ... + 384399199.

It is an arithmetic number, because the mean of its divisors is an integer number (142995708180).

Almost surely, 2^{1641375465415} is an apocalyptic number.

1641375465415 is a deficient number, since it is larger than the sum of its proper divisors (646555865465).

1641375465415 is an equidigital number, since it uses as much as digits as its factorization.

1641375465415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768794202.

The product of its digits is 6048000, while the sum is 52.

The spelling of 1641375465415 in words is "one trillion, six hundred forty-one billion, three hundred seventy-five million, four hundred sixty-five thousand, four hundred fifteen".