1665316351046 has 16 divisors (see below), whose sum is σ = 2505956734800. Its totient is φ = 830000959008.

The previous prime is 1665316350941. The next prime is 1665316351063. The reversal of 1665316351046 is 6401536135661.

It is a super-2 number, since 2×1665316351046² (a number of 25 digits) contains 22 as substring.

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, 68000 + ... + 1826268.

It is an arithmetic number, because the mean of its divisors is an integer number (156622295925).

Almost surely, 2^{1665316351046} is an apocalyptic number.

1665316351046 is a deficient number, since it is larger than the sum of its proper divisors (840640383754).

1665316351046 is a wasteful number, since it uses less digits than its factorization.

1665316351046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759783.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 1665316351046 in words is "one trillion, six hundred sixty-five billion, three hundred sixteen million, three hundred fifty-one thousand, forty-six".