1372066261560 has 48 divisors (see below), whose sum is σ = 4459215351240. Its totient is φ = 365884336320.

The previous prime is 1372066261493. The next prime is 1372066261603. The reversal of 1372066261560 is 651626602731.

1372066261560 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 0 + 6 + 626 + 15 + 6 + 0 = 666.

It is a super-4 number, since 4×1372066261560⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1905647226 + ... + 1905647945.

Almost surely, 2^{1372066261560} is an apocalyptic number.

1372066261560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372066261560 is an abundant number, since it is smaller than the sum of its proper divisors (3087149089680).

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

1372066261560 is a wasteful number, since it uses less digits than its factorization.

1372066261560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811295188 (or 3811295181 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 1372066261560 in words is "one trillion, three hundred seventy-two billion, sixty-six million, two hundred sixty-one thousand, five hundred sixty".