1611001479 has 12 divisors (see below), whose sum is σ = 2201676968. Its totient is φ = 1047802560.

The previous prime is 1611001471. The next prime is 1611001487. The reversal of 1611001479 is 9741001161.

It is an interprime number because it is at equal distance from previous prime (1611001471) and next prime (1611001487).

It is not a de Polignac number, because 1611001479 - 2³ = 1611001471 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 (1611001471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154684 + ... + 164769.

Almost surely, 2^1611001479 is an apocalyptic number.

1611001479 is a deficient number, since it is larger than the sum of its proper divisors (590675489).

1611001479 is an equidigital number, since it uses as much as digits as its factorization.

1611001479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319538 (or 319497 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1611001479 is about 40137.2829050498. The cubic root of 1611001479 is about 1172.2816845072.

The spelling of 1611001479 in words is "one billion, six hundred eleven million, one thousand, four hundred seventy-nine".