194705564 has 6 divisors (see below), whose sum is σ = 340734744. Its totient is φ = 97352780.

The previous prime is 194705531. The next prime is 194705579. The reversal of 194705564 is 465507491.

It is a super-3 number, since 3×194705564³ (a number of 26 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 as a sum of consecutive naturals, namely, 24338192 + ... + 24338199.

It is an arithmetic number, because the mean of its divisors is an integer number (56789124).

Almost surely, 2^194705564 is an apocalyptic number.

It is an amenable number.

194705564 is a deficient number, since it is larger than the sum of its proper divisors (146029180).

194705564 is a wasteful number, since it uses less digits than its factorization.

194705564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48676395 (or 48676393 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 194705564 is about 13953.6935612045. The cubic root of 194705564 is about 579.5969891583.

The spelling of 194705564 in words is "one hundred ninety-four million, seven hundred five thousand, five hundred sixty-four".