16903700378 has 4 divisors (see below), whose sum is σ = 25355550570. Its totient is φ = 8451850188.

The previous prime is 16903700371. The next prime is 16903700413. The reversal of 16903700378 is 87300730961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87300730961 = 41 ⋅2129286121.

It can be written as a sum of positive squares in only one way, i.e., 16206053809 + 697646569 = 127303^2 + 26413^2 .

It is not an unprimeable number, because it can be changed into a prime (16903700371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225925093 + ... + 4225925096.

Almost surely, 2^16903700378 is an apocalyptic number.

16903700378 is a deficient number, since it is larger than the sum of its proper divisors (8451850192).

16903700378 is an equidigital number, since it uses as much as digits as its factorization.

16903700378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451850191.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 16903700378 in words is "sixteen billion, nine hundred three million, seven hundred thousand, three hundred seventy-eight".