1553164079 has 4 divisors (see below), whose sum is σ = 1620692976. Its totient is φ = 1485635184.

The previous prime is 1553164073. The next prime is 1553164117. The reversal of 1553164079 is 9704613551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1553164079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553164073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33764414 + ... + 33764459.

It is an arithmetic number, because the mean of its divisors is an integer number (405173244).

Almost surely, 2^1553164079 is an apocalyptic number.

1553164079 is a deficient number, since it is larger than the sum of its proper divisors (67528897).

1553164079 is an equidigital number, since it uses as much as digits as its factorization.

1553164079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67528896.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 1553164079 is about 39410.2027272127. The cubic root of 1553164079 is about 1158.0814697341.

The spelling of 1553164079 in words is "one billion, five hundred fifty-three million, one hundred sixty-four thousand, seventy-nine".