146218616 has 8 divisors (see below), whose sum is σ = 274159920. Its totient is φ = 73109304.

The previous prime is 146218591. The next prime is 146218621. The reversal of 146218616 is 616812641.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9138656 + ... + 9138671.

It is an arithmetic number, because the mean of its divisors is an integer number (34269990).

Almost surely, 2^146218616 is an apocalyptic number.

It is an amenable number.

146218616 is a deficient number, since it is larger than the sum of its proper divisors (127941304).

146218616 is a wasteful number, since it uses less digits than its factorization.

146218616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277333 (or 18277329 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 146218616 is about 12092.0889841251. The cubic root of 146218616 is about 526.8264319729.

The spelling of 146218616 in words is "one hundred forty-six million, two hundred eighteen thousand, six hundred sixteen".