146604647977 has 8 divisors (see below), whose sum is σ = 148632673064. Its totient is φ = 144577156608.

The previous prime is 146604647951. The next prime is 146604647993. The reversal of 146604647977 is 779746406641.

It can be written as a sum of positive squares in 4 ways, for example, as 61513424361 + 85091223616 = 248019^2 + 291704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146604647977 - 2¹⁹ = 146604123689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146604647947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436453 + ... + 695485.

It is an arithmetic number, because the mean of its divisors is an integer number (18579084133).

Almost surely, 2^146604647977 is an apocalyptic number.

It is an amenable number.

146604647977 is a deficient number, since it is larger than the sum of its proper divisors (2028025087).

146604647977 is an equidigital number, since it uses as much as digits as its factorization.

146604647977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266859.

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 146604647977 in words is "one hundred forty-six billion, six hundred four million, six hundred forty-seven thousand, nine hundred seventy-seven".