1551068352 has 140 divisors (see below), whose sum is σ = 4615140376. Its totient is φ = 515082240.

The previous prime is 1551068341. The next prime is 1551068371. The reversal of 1551068352 is 2538601551.

It is a happy number.

1551068352 is a `hidden beast` number, since 15 + 510 + 6 + 83 + 52 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2244327 + ... + 2245017.

Almost surely, 2^1551068352 is an apocalyptic number.

1551068352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551068352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307570188).

1551068352 is an abundant number, since it is smaller than the sum of its proper divisors (3064072024).

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

1551068352 is an equidigital number, since it uses as much as digits as its factorization.

1551068352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1551068352 is about 39383.6051168503. The cubic root of 1551068352 is about 1157.5603582232.

The spelling of 1551068352 in words is "one billion, five hundred fifty-one million, sixty-eight thousand, three hundred fifty-two".