380016551 has 4 divisors (see below), whose sum is σ = 393120600. Its totient is φ = 366912504.

The previous prime is 380016547. The next prime is 380016583. The reversal of 380016551 is 155610083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380016551 - 2² = 380016547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 13104019 = 380016551 / (3 + 8 + 0 + 0 + 1 + 6 + 5 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380016541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551981 + ... + 6552038.

It is an arithmetic number, because the mean of its divisors is an integer number (98280150).

Almost surely, 2^380016551 is an apocalyptic number.

380016551 is a deficient number, since it is larger than the sum of its proper divisors (13104049).

380016551 is a wasteful number, since it uses less digits than its factorization.

380016551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104048.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 380016551 is about 19494.0132091881. The cubic root of 380016551 is about 724.3261601110.

The spelling of 380016551 in words is "three hundred eighty million, sixteen thousand, five hundred fifty-one".