146066415640 has 64 divisors (see below), whose sum is σ = 335168474400. Its totient is φ = 57273249792.

The previous prime is 146066415617. The next prime is 146066415667. The reversal of 146066415640 is 46514660641.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745414 + ... + 920746.

Almost surely, 2^146066415640 is an apocalyptic number.

146066415640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146066415640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167584237200).

146066415640 is an abundant number, since it is smaller than the sum of its proper divisors (189102058760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146066415640 is a wasteful number, since it uses less digits than its factorization.

146066415640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175756 (or 175752 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 146066415640 in words is "one hundred forty-six billion, sixty-six million, four hundred fifteen thousand, six hundred forty".