1664300153073 has 4 divisors (see below), whose sum is σ = 2219066870768. Its totient is φ = 1109533435380.

The previous prime is 1664300153071. The next prime is 1664300153099. The reversal of 1664300153073 is 3703510034661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1664300153073 - 2¹ = 1664300153071 is a prime.

It is a super-2 number, since 2×1664300153073² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1664300153071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277383358843 + ... + 277383358848.

It is an arithmetic number, because the mean of its divisors is an integer number (554766717692).

Almost surely, 2^{1664300153073} is an apocalyptic number.

It is an amenable number.

1664300153073 is a deficient number, since it is larger than the sum of its proper divisors (554766717695).

1664300153073 is an equidigital number, since it uses as much as digits as its factorization.

1664300153073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554766717694.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 1664300153073 in words is "one trillion, six hundred sixty-four billion, three hundred million, one hundred fifty-three thousand, seventy-three".