187103961844 has 12 divisors (see below), whose sum is σ = 327483598624. Its totient is φ = 93537219384.

The previous prime is 187103961833. The next prime is 187103961859. The reversal of 187103961844 is 448169301781.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 187103961791 and 187103961800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661842 + ... + 3712585.

Almost surely, 2^187103961844 is an apocalyptic number.

It is an amenable number.

187103961844 is a deficient number, since it is larger than the sum of its proper divisors (140379636780).

187103961844 is a wasteful number, since it uses less digits than its factorization.

187103961844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380774 (or 7380772 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 187103961844 in words is "one hundred eighty-seven billion, one hundred three million, nine hundred sixty-one thousand, eight hundred forty-four".