146665420773 has 4 divisors (see below), whose sum is σ = 195553894368. Its totient is φ = 97776947180.

The previous prime is 146665420763. The next prime is 146665420799. The reversal of 146665420773 is 377024566641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146665420773 - 2⁶ = 146665420709 is a prime.

It is a super-2 number, since 2×146665420773² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146665420723) 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, 24444236793 + ... + 24444236798.

It is an arithmetic number, because the mean of its divisors is an integer number (48888473592).

Almost surely, 2^146665420773 is an apocalyptic number.

It is an amenable number.

146665420773 is a deficient number, since it is larger than the sum of its proper divisors (48888473595).

146665420773 is an equidigital number, since it uses as much as digits as its factorization.

146665420773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48888473594.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 146665420773 in words is "one hundred forty-six billion, six hundred sixty-five million, four hundred twenty thousand, seven hundred seventy-three".