1351751616 has 42 divisors (see below), whose sum is σ = 3874553592. Its totient is φ = 450583680.

The previous prime is 1351751587. The next prime is 1351751623. The reversal of 1351751616 is 6161571531.

1351751616 is a `hidden beast` number, since 1 + 35 + 1 + 7 + 5 + 1 + 616 = 666.

It is a super-3 number, since 3×1351751616³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1172820 + ... + 1173971.

It is an arithmetic number, because the mean of its divisors is an integer number (92251276).

Almost surely, 2^1351751616 is an apocalyptic number.

1351751616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1351751616 is an abundant number, since it is smaller than the sum of its proper divisors (2522801976).

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

1351751616 is a wasteful number, since it uses less digits than its factorization.

1351751616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346809 (or 2346796 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 1351751616 is about 36766.1748894279. The cubic root of 1351751616 is about 1105.6872436377.

The spelling of 1351751616 in words is "one billion, three hundred fifty-one million, seven hundred fifty-one thousand, six hundred sixteen".