16432451207146 has 8 divisors (see below), whose sum is σ = 26544728873124. Its totient is φ = 7584208249440.

The previous prime is 16432451207087. The next prime is 16432451207149. The reversal of 16432451207146 is 64170215423461.

It can be written as a sum of positive squares in 2 ways, for example, as 14813222952025 + 1619228255121 = 3848795^2 + 1272489^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16432451207096 and 16432451207105.

It is not an unprimeable number, because it can be changed into a prime (16432451207149) 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, 316008677035 + ... + 316008677086.

Almost surely, 2^{16432451207146} is an apocalyptic number.

16432451207146 is a deficient number, since it is larger than the sum of its proper divisors (10112277665978).

16432451207146 is a wasteful number, since it uses less digits than its factorization.

16432451207146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632017354136.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 16432451207146 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred seven thousand, one hundred forty-six".