1545616116 has 36 divisors (see below), whose sum is σ = 4262154624. Its totient is φ = 468368400.

The previous prime is 1545616069. The next prime is 1545616117. The reversal of 1545616116 is 6116165451.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545616117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1951140 + ... + 1951931.

It is an arithmetic number, because the mean of its divisors is an integer number (118393184).

Almost surely, 2^1545616116 is an apocalyptic number.

It is an amenable number.

1545616116 is an abundant number, since it is smaller than the sum of its proper divisors (2716538508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545616116 is a wasteful number, since it uses less digits than its factorization.

1545616116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903092 (or 3903087 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1545616116 is about 39314.3245649725. The cubic root of 1545616116 is about 1156.2024335884.

The spelling of 1545616116 in words is "one billion, five hundred forty-five million, six hundred sixteen thousand, one hundred sixteen".