1672178552 has 32 divisors (see below), whose sum is σ = 3437763120. Its totient is φ = 756215040.

The previous prime is 1672178551. The next prime is 1672178597. The reversal of 1672178552 is 2558712761.

It is a super-2 number, since 2×1672178552² = 5592362219537633408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672178551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30893 + ... + 65564.

Almost surely, 2^1672178552 is an apocalyptic number.

It is an amenable number.

1672178552 is an abundant number, since it is smaller than the sum of its proper divisors (1765584568).

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

1672178552 is a wasteful number, since it uses less digits than its factorization.

1672178552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96671 (or 96667 counting only the distinct ones).

The product of its digits is 235200, while the sum is 44.

The square root of 1672178552 is about 40892.2798581835. The cubic root of 1672178552 is about 1186.9366758532.

The spelling of 1672178552 in words is "one billion, six hundred seventy-two million, one hundred seventy-eight thousand, five hundred fifty-two".