191672054 has 8 divisors (see below), whose sum is σ = 328580688. Its totient is φ = 82145160.

The previous prime is 191672053. The next prime is 191672071. The reversal of 191672054 is 450276191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191672051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6845417 + ... + 6845444.

It is an arithmetic number, because the mean of its divisors is an integer number (41072586).

Almost surely, 2^191672054 is an apocalyptic number.

191672054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191672054 is a deficient number, since it is larger than the sum of its proper divisors (136908634).

191672054 is a wasteful number, since it uses less digits than its factorization.

191672054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690870.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 191672054 is about 13844.5676711120. The cubic root of 191672054 is about 576.5711826196.

The spelling of 191672054 in words is "one hundred ninety-one million, six hundred seventy-two thousand, fifty-four".