672557032016 has 20 divisors (see below), whose sum is σ = 1311824752500. Its totient is φ = 334021612032.

The previous prime is 672557031983. The next prime is 672557032027. The reversal of 672557032016 is 610230755276.

It can be written as a sum of positive squares in 2 ways, for example, as 340827110416 + 331729921600 = 583804^2 + 575960^2 .

It is a super-2 number, since 2×672557032016² (a number of 24 digits) contains 22 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, 141054041 + ... + 141058808.

It is an arithmetic number, because the mean of its divisors is an integer number (65591237625).

Almost surely, 2^672557032016 is an apocalyptic number.

It is an amenable number.

672557032016 is a deficient number, since it is larger than the sum of its proper divisors (639267720484).

672557032016 is a wasteful number, since it uses less digits than its factorization.

672557032016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282113006 (or 282113000 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 672557032016 in words is "six hundred seventy-two billion, five hundred fifty-seven million, thirty-two thousand, sixteen".