1197620168 has 16 divisors (see below), whose sum is σ = 2300307660. Its totient is φ = 584204800.

The previous prime is 1197620159. The next prime is 1197620183. The reversal of 1197620168 is 8610267911.

It can be written as a sum of positive squares in 2 ways, for example, as 1183497604 + 14122564 = 34402^2 + 3758^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825313 + ... + 1825968.

Almost surely, 2^1197620168 is an apocalyptic number.

It is an amenable number.

1197620168 is a deficient number, since it is larger than the sum of its proper divisors (1102687492).

1197620168 is a wasteful number, since it uses less digits than its factorization.

1197620168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651328 (or 3651324 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1197620168 is about 34606.6491876922. The cubic root of 1197620168 is about 1061.9556184852.

The spelling of 1197620168 in words is "one billion, one hundred ninety-seven million, six hundred twenty thousand, one hundred sixty-eight".