1516764522 has 144 divisors (see below), whose sum is σ = 3875325120. Its totient is φ = 395531136.

The previous prime is 1516764521. The next prime is 1516764533. The reversal of 1516764522 is 2254676151.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1516764521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17042254 + ... + 17042342.

It is an arithmetic number, because the mean of its divisors is an integer number (26911980).

Almost surely, 2^1516764522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1516764522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937662560).

1516764522 is an abundant number, since it is smaller than the sum of its proper divisors (2358560598).

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

1516764522 is an frugal number, since it uses more digits than its factorization.

1516764522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 114 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 1516764522 is about 38945.6611447283. The cubic root of 1516764522 is about 1148.9630279248.

The spelling of 1516764522 in words is "one billion, five hundred sixteen million, seven hundred sixty-four thousand, five hundred twenty-two".