1001662051 has 4 divisors (see below), whose sum is σ = 1078712992. Its totient is φ = 924611112.

The previous prime is 1001662043. The next prime is 1001662069. The reversal of 1001662051 is 1502661001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001662051 - 2³ = 1001662043 is a prime.

It is a super-3 number, since 3×1001662051³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001662091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38525451 + ... + 38525476.

It is an arithmetic number, because the mean of its divisors is an integer number (269678248).

Almost surely, 2^1001662051 is an apocalyptic number.

1001662051 is a deficient number, since it is larger than the sum of its proper divisors (77050941).

1001662051 is an equidigital number, since it uses as much as digits as its factorization.

1001662051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77050940.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1001662051 is about 31649.0450250872. The cubic root of 1001662051 is about 1000.5537103483.

The spelling of 1001662051 in words is "one billion, one million, six hundred sixty-two thousand, fifty-one".