187453973146 has 16 divisors (see below), whose sum is σ = 306751796640. Its totient is φ = 85203870480.

The previous prime is 187453973123. The next prime is 187453973171. The reversal of 187453973146 is 641379354781.

It is a happy 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, 802480 + ... + 1009396.

It is an arithmetic number, because the mean of its divisors is an integer number (19171987290).

Almost surely, 2^187453973146 is an apocalyptic number.

187453973146 is a deficient number, since it is larger than the sum of its proper divisors (119297823494).

187453973146 is a wasteful number, since it uses less digits than its factorization.

187453973146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248109.

The product of its digits is 15240960, while the sum is 58.

The spelling of 187453973146 in words is "one hundred eighty-seven billion, four hundred fifty-three million, nine hundred seventy-three thousand, one hundred forty-six".