1657441148 has 12 divisors (see below), whose sum is σ = 3164205912. Its totient is φ = 753382320.

The previous prime is 1657441141. The next prime is 1657441153. The reversal of 1657441148 is 8411447561.

It is a super-2 number, since 2×1657441148² = 5494222318167115808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1657441141) 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, 18834515 + ... + 18834602.

It is an arithmetic number, because the mean of its divisors is an integer number (263683826).

Almost surely, 2^1657441148 is an apocalyptic number.

It is an amenable number.

1657441148 is a deficient number, since it is larger than the sum of its proper divisors (1506764764).

1657441148 is a wasteful number, since it uses less digits than its factorization.

1657441148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37669132 (or 37669130 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 1657441148 is about 40711.6831879990. The cubic root of 1657441148 is about 1183.4394402947.

The spelling of 1657441148 in words is "one billion, six hundred fifty-seven million, four hundred forty-one thousand, one hundred forty-eight".