1553376164 has 6 divisors (see below), whose sum is σ = 2718408294. Its totient is φ = 776688080.

The previous prime is 1553376157. The next prime is 1553376193. The reversal of 1553376164 is 4616733551.

It can be written as a sum of positive squares in only one way, i.e., 1384584100 + 168792064 = 37210^2 + 12992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194172017 + ... + 194172024.

It is an arithmetic number, because the mean of its divisors is an integer number (453068049).

Almost surely, 2^1553376164 is an apocalyptic number.

It is an amenable number.

1553376164 is a deficient number, since it is larger than the sum of its proper divisors (1165032130).

1553376164 is a wasteful number, since it uses less digits than its factorization.

1553376164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388344045 (or 388344043 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 1553376164 is about 39412.8933726008. The cubic root of 1553376164 is about 1158.1341794538.

The spelling of 1553376164 in words is "one billion, five hundred fifty-three million, three hundred seventy-six thousand, one hundred sixty-four".