1671622652 has 18 divisors (see below), whose sum is σ = 3402946512. Its totient is φ = 716409624.

The previous prime is 1671622649. The next prime is 1671622663. The reversal of 1671622652 is 2562261761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4264148 + ... + 4264539.

It is an arithmetic number, because the mean of its divisors is an integer number (189052584).

Almost surely, 2^1671622652 is an apocalyptic number.

It is an amenable number.

1671622652 is an abundant number, since it is smaller than the sum of its proper divisors (1731323860).

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

1671622652 is a wasteful number, since it uses less digits than its factorization.

1671622652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528705 (or 8528696 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 1671622652 is about 40885.4821666567. The cubic root of 1671622652 is about 1186.8051326382.

The spelling of 1671622652 in words is "one billion, six hundred seventy-one million, six hundred twenty-two thousand, six hundred fifty-two".