198045283754644 has 48 divisors (see below), whose sum is σ = 361820728940608. Its totient is φ = 94760743511808.

The previous prime is 198045283754579. The next prime is 198045283754671. The reversal of 198045283754644 is 446457382540891.

It is a super-3 number, since 3×198045283754644³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9154569 + ... + 21906544.

It is a 1-persistent number, because it is pandigital, but 2⋅198045283754644 = 396090567509288 is not.

Almost surely, 2^{198045283754644} is an apocalyptic number.

It is an amenable number.

198045283754644 is a deficient number, since it is larger than the sum of its proper divisors (163775445185964).

198045283754644 is a wasteful number, since it uses less digits than its factorization.

198045283754644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31061864 (or 31061862 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 70.

The spelling of 198045283754644 in words is "one hundred ninety-eight trillion, forty-five billion, two hundred eighty-three million, seven hundred fifty-four thousand, six hundred forty-four".