1653670146 has 16 divisors (see below), whose sum is σ = 3451137984. Its totient is φ = 527257104.

The previous prime is 1653670091. The next prime is 1653670153. The reversal of 1653670146 is 6410763561.

It is a super-2 number, since 2×1653670146² = 5469249903543322632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991421 + ... + 5991696.

It is an arithmetic number, because the mean of its divisors is an integer number (215696124).

Almost surely, 2^1653670146 is an apocalyptic number.

1653670146 is an abundant number, since it is smaller than the sum of its proper divisors (1797467838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1653670146 is a wasteful number, since it uses less digits than its factorization.

1653670146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983145.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1653670146 is about 40665.3433036044. The cubic root of 1653670146 is about 1182.5412402127.

The spelling of 1653670146 in words is "one billion, six hundred fifty-three million, six hundred seventy thousand, one hundred forty-six".