6198400194 has 32 divisors (see below), whose sum is σ = 14326968960. Its totient is φ = 1751071872.

The previous prime is 6198400193. The next prime is 6198400237. The reversal of 6198400194 is 4910048916.

6198400194 = T₁₃₄ + T₁₃₅ + ... + T₃₃₃₇.

6198400194 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6198400193) 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, 825369 + ... + 832844.

It is an arithmetic number, because the mean of its divisors is an integer number (447717780).

Almost surely, 2^6198400194 is an apocalyptic number.

6198400194 is an abundant number, since it is smaller than the sum of its proper divisors (8128568766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6198400194 is a wasteful number, since it uses less digits than its factorization.

6198400194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658314.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 6198400194 is about 78729.9193064492. The cubic root of 6198400194 is about 1836.9325262881.

The spelling of 6198400194 in words is "six billion, one hundred ninety-eight million, four hundred thousand, one hundred ninety-four".