147812165894 has 16 divisors (see below), whose sum is σ = 223765106688. Its totient is φ = 73225365192.

The previous prime is 147812165887. The next prime is 147812165909. The reversal of 147812165894 is 498561218741.

It is an alternating number because its digits alternate between odd and even.

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, 202892 + ... + 580335.

It is an arithmetic number, because the mean of its divisors is an integer number (13985319168).

Almost surely, 2^147812165894 is an apocalyptic number.

147812165894 is a deficient number, since it is larger than the sum of its proper divisors (75952940794).

147812165894 is a wasteful number, since it uses less digits than its factorization.

147812165894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784099.

The product of its digits is 3870720, while the sum is 56.

The spelling of 147812165894 in words is "one hundred forty-seven billion, eight hundred twelve million, one hundred sixty-five thousand, eight hundred ninety-four".