149876822566 has 4 divisors (see below), whose sum is σ = 224815233852. Its totient is φ = 74938411282.

The previous prime is 149876822549. The next prime is 149876822597. The reversal of 149876822566 is 665228678941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665228678941 = 229 ⋅2904928729.

It is a junction number, because it is equal to n+sod(n) for n = 149876822498 and 149876822507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37469205640 + ... + 37469205643.

It is an arithmetic number, because the mean of its divisors is an integer number (56203808463).

Almost surely, 2^149876822566 is an apocalyptic number.

149876822566 is a deficient number, since it is larger than the sum of its proper divisors (74938411286).

149876822566 is an equidigital number, since it uses as much as digits as its factorization.

149876822566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74938411285.

The product of its digits is 69672960, while the sum is 64.

The spelling of 149876822566 in words is "one hundred forty-nine billion, eight hundred seventy-six million, eight hundred twenty-two thousand, five hundred sixty-six".