1662612479 has 6 divisors (see below), whose sum is σ = 1827499800. Its totient is φ = 1511465780.

The previous prime is 1662612473. The next prime is 1662612503. The reversal of 1662612479 is 9742162661.

It is not a de Polignac number, because 1662612479 - 2⁴ = 1662612463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662612473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6870179 + ... + 6870420.

It is an arithmetic number, because the mean of its divisors is an integer number (304583300).

Almost surely, 2^1662612479 is an apocalyptic number.

1662612479 is a deficient number, since it is larger than the sum of its proper divisors (164887321).

1662612479 is a wasteful number, since it uses less digits than its factorization.

1662612479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740621 (or 13740610 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1662612479 is about 40775.1453584166. The cubic root of 1662612479 is about 1184.6689667417.

The spelling of 1662612479 in words is "one billion, six hundred sixty-two million, six hundred twelve thousand, four hundred seventy-nine".