1672742158285 has 8 divisors (see below), whose sum is σ = 2189771552736. Its totient is φ = 1216539751440.

The previous prime is 1672742158267. The next prime is 1672742158369. The reversal of 1672742158285 is 5828512472761.

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

It is not a de Polignac number, because 1672742158285 - 2⁹ = 1672742157773 is a prime.

It is a Duffinian number.

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, 15206746839 + ... + 15206746948.

It is an arithmetic number, because the mean of its divisors is an integer number (273721444092).

Almost surely, 2^{1672742158285} is an apocalyptic number.

It is an amenable number.

1672742158285 is a deficient number, since it is larger than the sum of its proper divisors (517029394451).

1672742158285 is a wasteful number, since it uses less digits than its factorization.

1672742158285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30413493803.

The product of its digits is 15052800, while the sum is 58.

The spelling of 1672742158285 in words is "one trillion, six hundred seventy-two billion, seven hundred forty-two million, one hundred fifty-eight thousand, two hundred eighty-five".