3661144454 has 32 divisors (see below), whose sum is σ = 6191603712. Its totient is φ = 1608552000.

The previous prime is 3661144451. The next prime is 3661144493. The reversal of 3661144454 is 4544411663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661144451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673154 + ... + 678570.

It is an arithmetic number, because the mean of its divisors is an integer number (193487616).

Almost surely, 2^3661144454 is an apocalyptic number.

3661144454 is a deficient number, since it is larger than the sum of its proper divisors (2530459258).

3661144454 is a wasteful number, since it uses less digits than its factorization.

3661144454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452.

The product of its digits is 138240, while the sum is 38.

The square root of 3661144454 is about 60507.3917302671. The cubic root of 3661144454 is about 1541.2471560859.

The spelling of 3661144454 in words is "three billion, six hundred sixty-one million, one hundred forty-four thousand, four hundred fifty-four".