1157616 has 30 divisors (see below), whose sum is σ = 3240120. Its totient is φ = 385824.

The previous prime is 1157609. The next prime is 1157621. The reversal of 1157616 is 6167511.

It is a self number, because there is not a number n which added to its sum of digits gives 1157616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3876 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (108004).

2^1157616 is an apocalyptic number.

1157616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1157616 is an abundant number, since it is smaller than the sum of its proper divisors (2082504).

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

1157616 is a wasteful number, since it uses less digits than its factorization.

1157616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053 (or 8044 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1157616 is about 1075.9256479887. The cubic root of 1157616 is about 104.9997278905. Note that the first 3 decimals are identical.

The spelling of 1157616 in words is "one million, one hundred fifty-seven thousand, six hundred sixteen".