1055556672164 has 24 divisors (see below), whose sum is σ = 1858450138776. Its totient is φ = 524579328000.

The previous prime is 1055556672101. The next prime is 1055556672179. The reversal of 1055556672164 is 4612766555501.

It can be written as a sum of positive squares in 4 ways, for example, as 51532632064 + 1004024040100 = 227008^2 + 1002010^2 .

It is a super-2 number, since 2×1055556672164² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548597 + ... + 1553084.

It is an arithmetic number, because the mean of its divisors is an integer number (77435422449).

Almost surely, 2^{1055556672164} is an apocalyptic number.

It is an amenable number.

1055556672164 is a deficient number, since it is larger than the sum of its proper divisors (802893466612).

1055556672164 is a wasteful number, since it uses less digits than its factorization.

1055556672164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102447 (or 2102445 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 1055556672164 in words is "one trillion, fifty-five billion, five hundred fifty-six million, six hundred seventy-two thousand, one hundred sixty-four".