155616067 has 4 divisors (see below), whose sum is σ = 155933496. Its totient is φ = 155298640.

The previous prime is 155616049. The next prime is 155616073. The reversal of 155616067 is 760616551.

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 155616067 - 2¹⁵ = 155583299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155616667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157978 + ... + 158959.

It is an arithmetic number, because the mean of its divisors is an integer number (38983374).

Almost surely, 2^155616067 is an apocalyptic number.

155616067 is a deficient number, since it is larger than the sum of its proper divisors (317429).

155616067 is an equidigital number, since it uses as much as digits as its factorization.

155616067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317428.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 155616067 is about 12474.6169079455. The cubic root of 155616067 is about 537.8792759899.

The spelling of 155616067 in words is "one hundred fifty-five million, six hundred sixteen thousand, sixty-seven".