1216480623 has 8 divisors (see below), whose sum is σ = 1627511088. Its totient is φ = 808218624.

The previous prime is 1216480607. The next prime is 1216480627. The reversal of 1216480623 is 3260846121.

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

It is not a de Polignac number, because 1216480623 - 2⁴ = 1216480607 is a prime.

It is a super-2 number, since 2×1216480623² = 2959650212268936258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216480627) 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, 691090 + ... + 692847.

It is an arithmetic number, because the mean of its divisors is an integer number (203438886).

Almost surely, 2^1216480623 is an apocalyptic number.

1216480623 is a deficient number, since it is larger than the sum of its proper divisors (411030465).

1216480623 is a wasteful number, since it uses less digits than its factorization.

1216480623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384233.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1216480623 is about 34878.0822723957. The cubic root of 1216480623 is about 1067.5012654399.

The spelling of 1216480623 in words is "one billion, two hundred sixteen million, four hundred eighty thousand, six hundred twenty-three".