446672554157 has 4 divisors (see below), whose sum is σ = 446674737756. Its totient is φ = 446670370560.

The previous prime is 446672554147. The next prime is 446672554313. The reversal of 446672554157 is 751455276644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116244174916 + 330428379241 = 340946^2 + 574829^2 .

It is a cyclic number.

It is not a de Polignac number, because 446672554157 - 2³⁶ = 377953077421 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 (446672554147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749108 + ... + 1206029.

It is an arithmetic number, because the mean of its divisors is an integer number (111668684439).

Almost surely, 2^446672554157 is an apocalyptic number.

It is an amenable number.

446672554157 is a deficient number, since it is larger than the sum of its proper divisors (2183599).

446672554157 is a wasteful number, since it uses less digits than its factorization.

446672554157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183598.

The product of its digits is 28224000, while the sum is 56.

The spelling of 446672554157 in words is "four hundred forty-six billion, six hundred seventy-two million, five hundred fifty-four thousand, one hundred fifty-seven".