16378077 has 8 divisors (see below), whose sum is σ = 21972064. Its totient is φ = 10851408.

The previous prime is 16378051. The next prime is 16378081. The reversal of 16378077 is 77087361.

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

It is not a de Polignac number, because 16378077 - 2¹⁴ = 16361693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16378097) 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, 16258 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (2746508).

Almost surely, 2^16378077 is an apocalyptic number.

It is an amenable number.

16378077 is a deficient number, since it is larger than the sum of its proper divisors (5593987).

16378077 is a wasteful number, since it uses less digits than its factorization.

16378077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33659.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 16378077 is about 4046.9836915906. The cubic root of 16378077 is about 253.9535585830.

The spelling of 16378077 in words is "sixteen million, three hundred seventy-eight thousand, seventy-seven".