1553669074 has 8 divisors (see below), whose sum is σ = 2362428540. Its totient is φ = 766192896.

The previous prime is 1553669069. The next prime is 1553669093. The reversal of 1553669074 is 4709663551.

It can be written as a sum of positive squares in 2 ways, for example, as 1447269849 + 106399225 = 38043^2 + 10315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5320639 + ... + 5320930.

Almost surely, 2^1553669074 is an apocalyptic number.

1553669074 is a deficient number, since it is larger than the sum of its proper divisors (808759466).

1553669074 is a wasteful number, since it uses less digits than its factorization.

1553669074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641644.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 1553669074 is about 39416.6091134182. The cubic root of 1553669074 is about 1158.2069688121.

The spelling of 1553669074 in words is "one billion, five hundred fifty-three million, six hundred sixty-nine thousand, seventy-four".