1655351516 has 144 divisors (see below), whose sum is σ = 3946844160. Its totient is φ = 599840640.

The previous prime is 1655351483. The next prime is 1655351527. The reversal of 1655351516 is 6151535561.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1655351516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1500221 + ... + 1501323.

It is an arithmetic number, because the mean of its divisors is an integer number (27408640).

Almost surely, 2^1655351516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655351516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973422080).

1655351516 is an abundant number, since it is smaller than the sum of its proper divisors (2291492644).

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

1655351516 is a wasteful number, since it uses less digits than its factorization.

1655351516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1175 counting only the distinct ones).

The product of its digits is 67500, while the sum is 38.

The square root of 1655351516 is about 40686.0113060988. The cubic root of 1655351516 is about 1182.9418876021.

The spelling of 1655351516 in words is "one billion, six hundred fifty-five million, three hundred fifty-one thousand, five hundred sixteen".