194273530745616 has 135 divisors (see below), whose sum is σ = 632466577320903. Its totient is φ = 55506388553280.

The previous prime is 194273530745551. The next prime is 194273530745689. The reversal of 194273530745616 is 616547035372491.

The square root of 194273530745616 is 13938204.

It is a perfect power (a square), and thus also a powerful number.

194273530745616 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 7 + 3 + 5 + 3 + 0 + 7 + 4 + 5 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1170726171 + ... + 1170892101.

Almost surely, 2^{194273530745616} is an apocalyptic number.

194273530745616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

194273530745616 is the 13938204-th square number.

It is an amenable number.

194273530745616 is an abundant number, since it is smaller than the sum of its proper divisors (438193046575287).

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

194273530745616 is an frugal number, since it uses more digits than its factorization.

194273530745616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331890 (or 165943 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 63.

The spelling of 194273530745616 in words is "one hundred ninety-four trillion, two hundred seventy-three billion, five hundred thirty million, seven hundred forty-five thousand, six hundred sixteen".