194650339672 has 8 divisors (see below), whose sum is σ = 364969386900. Its totient is φ = 97325169832.

The previous prime is 194650339651. The next prime is 194650339693. The reversal of 194650339672 is 276933056491.

It is an interprime number because it is at equal distance from previous prime (194650339651) and next prime (194650339693).

It is a tau number, because it is divible by the number of its divisors (8).

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, 12165646222 + ... + 12165646237.

Almost surely, 2^194650339672 is an apocalyptic number.

It is an amenable number.

194650339672 is a deficient number, since it is larger than the sum of its proper divisors (170319047228).

194650339672 is a wasteful number, since it uses less digits than its factorization.

194650339672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24331292465 (or 24331292461 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 194650339672 in words is "one hundred ninety-four billion, six hundred fifty million, three hundred thirty-nine thousand, six hundred seventy-two".