1613172055 has 16 divisors (see below), whose sum is σ = 2112575904. Its totient is φ = 1172778880.

The previous prime is 1613172049. The next prime is 1613172059. The reversal of 1613172055 is 5502713161.

1613172055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1613172055 - 2⁷ = 1613171927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613172059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257217 + ... + 263413.

It is an arithmetic number, because the mean of its divisors is an integer number (132035994).

Almost surely, 2^1613172055 is an apocalyptic number.

1613172055 is a deficient number, since it is larger than the sum of its proper divisors (499403849).

1613172055 is a wasteful number, since it uses less digits than its factorization.

1613172055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1613172055 is about 40164.3132021450. The cubic root of 1613172055 is about 1172.8079378123.

The spelling of 1613172055 in words is "one billion, six hundred thirteen million, one hundred seventy-two thousand, fifty-five".