1655165494 has 8 divisors (see below), whose sum is σ = 2483072568. Its totient is φ = 827474640.

The previous prime is 1655165483. The next prime is 1655165539. The reversal of 1655165494 is 4945615561.

It is a happy number.

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

It is a super-3 number, since 3×1655165494³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 33327 + ... + 66490.

It is an arithmetic number, because the mean of its divisors is an integer number (310384071).

Almost surely, 2^1655165494 is an apocalyptic number.

1655165494 is a deficient number, since it is larger than the sum of its proper divisors (827907074).

1655165494 is an equidigital number, since it uses as much as digits as its factorization.

1655165494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108110.

The product of its digits is 648000, while the sum is 46.

The square root of 1655165494 is about 40683.7251735875. The cubic root of 1655165494 is about 1182.8975744643.

The spelling of 1655165494 in words is "one billion, six hundred fifty-five million, one hundred sixty-five thousand, four hundred ninety-four".