1551197160 has 48 divisors (see below), whose sum is σ = 5041391940. Its totient is φ = 413652480.

The previous prime is 1551197149. The next prime is 1551197171. The reversal of 1551197160 is 617911551.

1551197160 is a `hidden beast` number, since 1 + 551 + 1 + 97 + 16 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1551197149) and next prime (1551197171).

It can be written as a sum of positive squares in 2 ways, for example, as 1428386436 + 122810724 = 37794^2 + 11082^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154081 + ... + 2154800.

Almost surely, 2^1551197160 is an apocalyptic number.

1551197160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551197160 is an abundant number, since it is smaller than the sum of its proper divisors (3490194780).

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

1551197160 is a wasteful number, since it uses less digits than its factorization.

1551197160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308898 (or 4308891 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 36.

The square root of 1551197160 is about 39385.2403826611. The cubic root of 1551197160 is about 1157.5924004190.

The spelling of 1551197160 in words is "one billion, five hundred fifty-one million, one hundred ninety-seven thousand, one hundred sixty".