1672064552365 has 8 divisors (see below), whose sum is σ = 2007334579608. Its totient is φ = 1337080230720.

The previous prime is 1672064552357. The next prime is 1672064552369. The reversal of 1672064552365 is 5632554602761.

It can be written as a sum of positive squares in 4 ways, for example, as 163161868489 + 1508902683876 = 403933^2 + 1228374^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1672064552365 - 2³ = 1672064552357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672064552369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71413522 + ... + 71436931.

It is an arithmetic number, because the mean of its divisors is an integer number (250916822451).

Almost surely, 2^{1672064552365} is an apocalyptic number.

It is an amenable number.

1672064552365 is a deficient number, since it is larger than the sum of its proper divisors (335270027243).

1672064552365 is a wasteful number, since it uses less digits than its factorization.

1672064552365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142852799.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 1672064552365 in words is "one trillion, six hundred seventy-two billion, sixty-four million, five hundred fifty-two thousand, three hundred sixty-five".