661300458441 has 32 divisors (see below), whose sum is σ = 1021170339840. Its totient is φ = 372839815296.

The previous prime is 661300458437. The next prime is 661300458479. The reversal of 661300458441 is 144854003166.

661300458441 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 661300458441 - 2² = 661300458437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 661300458393 and 661300458402.

It is not an unprimeable number, because it can be changed into a prime (661300458341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2227725 + ... + 2507061.

It is an arithmetic number, because the mean of its divisors is an integer number (31911573120).

Almost surely, 2^661300458441 is an apocalyptic number.

It is an amenable number.

661300458441 is a deficient number, since it is larger than the sum of its proper divisors (359869881399).

661300458441 is a wasteful number, since it uses less digits than its factorization.

661300458441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280853.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 661300458441 in words is "six hundred sixty-one billion, three hundred million, four hundred fifty-eight thousand, four hundred forty-one".