11946190647 has 8 divisors (see below), whose sum is σ = 15929165056. Its totient is φ = 7963671672.

The previous prime is 11946190621. The next prime is 11946190679. The reversal of 11946190647 is 74609164911.

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

It is not a de Polignac number, because 11946190647 - 2⁶ = 11946190583 is a prime.

It is a super-2 number, since 2×11946190647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11946190596 and 11946190605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11946120647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47053 + ... + 161574.

It is an arithmetic number, because the mean of its divisors is an integer number (1991145632).

Almost surely, 2^11946190647 is an apocalyptic number.

11946190647 is a deficient number, since it is larger than the sum of its proper divisors (3982974409).

11946190647 is a wasteful number, since it uses less digits than its factorization.

11946190647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227717.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 11946190647 in words is "eleven billion, nine hundred forty-six million, one hundred ninety thousand, six hundred forty-seven".