146061055661 has 4 divisors (see below), whose sum is σ = 146090814300. Its totient is φ = 146031297024.

The previous prime is 146061055649. The next prime is 146061055681. The reversal of 146061055661 is 166550160641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123064849636 + 22996206025 = 350806^2 + 151645^2 .

It is a cyclic number.

It is not a de Polignac number, because 146061055661 - 2¹⁴ = 146061039277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146061055631) 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, 14871956 + ... + 14881773.

It is an arithmetic number, because the mean of its divisors is an integer number (36522703575).

Almost surely, 2^146061055661 is an apocalyptic number.

It is an amenable number.

146061055661 is a deficient number, since it is larger than the sum of its proper divisors (29758639).

146061055661 is an equidigital number, since it uses as much as digits as its factorization.

146061055661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29758638.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 146061055661 in words is "one hundred forty-six billion, sixty-one million, fifty-five thousand, six hundred sixty-one".