146166187583 has 4 divisors (see below), whose sum is σ = 157409740488. Its totient is φ = 134922634680.

The previous prime is 146166187523. The next prime is 146166187589. The reversal of 146166187583 is 385781661641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 146166187583 - 2¹⁰ = 146166186559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146166187589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621776433 + ... + 5621776458.

It is an arithmetic number, because the mean of its divisors is an integer number (39352435122).

Almost surely, 2^146166187583 is an apocalyptic number.

146166187583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

146166187583 is a deficient number, since it is larger than the sum of its proper divisors (11243552905).

146166187583 is a wasteful number, since it uses less digits than its factorization.

146166187583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243552904.

The product of its digits is 5806080, while the sum is 56.

The spelling of 146166187583 in words is "one hundred forty-six billion, one hundred sixty-six million, one hundred eighty-seven thousand, five hundred eighty-three".